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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 89-190
Full Name: Jorge Magalhaes-Mendes
Position: Assistant Professor
Age: ON
Sex: Male
Address: Department of Civil Engineering ISEP, Rua Dr. António Bernardino de Almeida, 431 – 4200-072 Porto
Country: PORTUGAL
Tel: 228340500
Tel prefix: 00351
Fax: 228321159
E-mail address: jjm@isep.ipp.pt
Other E-mails: jorgemagalhaes7@gmail.com
Title of the Paper: Complex Scheduling Problems Using An Optimization Methodology
Authors as they appear in the Paper: Jorge Magalhaes-Mendes
Email addresses of all the authors: jjm@isep.ipp.pt
Number of paper pages: 10
Abstract: Scheduling operations problems arise in diverse areas such as flexible manufacturing, production planning and scheduling, logistics, supply chain problem, etc. A common feature of many of these problems is that no efficient solution algorithms are known that solve each instance to optimality in a time bounded polynomially in the size of the problem, Dorndorf and Pesch [22]. Discrete optimization can help to overcome these difficulties. This paper presents an optimization approach to solve the complex scheduling problem in a job shop environment. This problem is also known as the Job Shop Scheduling Problem (JSSP). The JSSP is a difficult problem in combinatorial optimization for which extensive investigation has been devoted to the development of efficient algorithms. The proposed approach is based on a genetic algorithm technique. Genetic algorithms are an optimization methodology based on a direct analogy to Darwinian natural selection and mutations in biological!
reproduction. The scheduling rules such as SPT and MWKR are integrated into the process of genetic evolution. The chromosome representation of the problem is based on random keys. The schedules are constructed using a priority rule in which the priorities and delay times of the operations are defined by the genetic algorithm. Schedules are constructed using a procedure that generates parameterized active schedules. After a schedule is obtained a local search heuristic is applied to improve the solution. The approach is tested on a set of standard instances taken from the literature and compared with other approaches. The computation results validate the effectiveness of the proposed approach.
Keywords: Scheduling, manufacturing, heuristics, genetic algorithm, optimization, local search, JSSP
EXTENSION of the file: .pdf
Special (Invited) Session: An Optimization Approach for the Job Shop Scheduling Problem
Organizer of the Session: 697-218
How Did you learn about congress: Prof. Pina Marques (pmarques@fe.up.pt);
IP ADDRESS: 85.138.56.214

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 89-189
Full Name: Dragana Krstic
Position: Doctor (Researcher)
Age: ON
Sex: Female
Address: Aleksandra Medvedeva 14, 18000 Niš
Country: YUGOSLAVIA
Tel: +381631045808
Tel prefix:
Fax: +38118588399
E-mail address: dragana.krstic@elfak.ni.ac.rs
Other E-mails: dragana.krstic_elfak_ni@yahoo.com
Title of the Paper: The performance analysis of MRC combiner output signal in the presence of Weibull fading and shadowing
Authors as they appear in the Paper: Petar Nikolic, Dragana Krstic, Zoran Popovic, Dusan Stefanovic, Mihajlo Stefanovic
Email addresses of all the authors: p.nikolic@tigartyres.com,dragana.krstic@elfak.ni.ac.rs,pop@tfc.kg.ac.rs,dusan.stefanovic@Itcentar.rs,mihajlo.stefanovic@elfak.ni.ac.rs
Number of paper pages: 11
Abstract: The performance of dual diversity systems in the presence of Weibull and shadowing over two uncorrelated branches will be presented in this paper. The performance measures of fading communication systems such as probability density function (PDF) of signal to noise ratio (SNR), Amount of fading (AF), and Outage probability (Pout) will be calculated and graphically represented for Maximal Ratio Combining. The results will be shown graphically for different signal and fading parameters values. They will be compared with respect to the kind of shadowing which is with log-normal or Gamma distribution.
Keywords: Weibull fading, Log-normal fading, Gamma fading, Maximal Ratio Combining, Amount of fading, Outage probabilty
EXTENSION of the file: .doc
Special (Invited) Session: The performance analysis of MRC combiner output signal in the presence of Weibull and Log-normal fading
Organizer of the Session: 620-401
How Did you learn about congress:
IP ADDRESS: 160.99.1.9

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 89-188
Full Name: Ade Ola
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: 9301 Derbyshire Road, Richmond, VA
Country: UNITED STATES
Tel:
Tel prefix:
Fax:
E-mail address: lscope.ade@gmail.com
Other E-mails:
Title of the Paper: Creating the Classroom Environment for Asynchronous E-learning
Authors as they appear in the Paper: Ade G. Ola, Abiodun O. Bada, Emmanuel Omojokun, Adeyemi A. Adekoya
Email addresses of all the authors: lscope.ade@gmail.com,aobada@gwu.edu,eomojokun@vsu.edu,aadekoya@vsu.edu
Number of paper pages: 13
Abstract: In higher education, the trend continues to shift from traditional teaching methods to student-centered strategies that are known to promote learning. At the same time, the integration of online education into the mainstream of higher education is intensifying. This paper addresses the problem of adapting classroom strategies for asynchronous online learning, so as to derive a learning model that combines the flexibility of online education with effective classroom-based strategies. The paper prescribes methods for putting into practice, for online education, active learning strategies that have been proven to be effective in the traditional classroom environment. First, the paper presents an overview of various active learning strategies and common classroom activities. Next, it introduces an array of open technologies and standards relating to learning resources, collaboration and learning experience management, and media markup languages. Then, it describes meth!
ods, which are based on the open technologies and standards, for effecting the learning strategies and common classroom activities in asynchronous online learning. This line of research (devising methods to augment the flexibility and other advantages of asynchronous online learning with classroom strategies that are known to enhance learning) has the potential for changing the face of online education.
Keywords: Classroom strategies, Open technologies, Asynchronous online education, Active learning strategies
EXTENSION of the file: .doc
Special (Invited) Session: Actualizing Learning and Teaching Best Practices in Online Education with Open Architecture and Standards
Organizer of the Session: 697-405
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IP ADDRESS: 24.125.123.221

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 42-277
Full Name: Saidatul Azemi
Position: Student
Age: ON
Sex: Female
Address: School of Computer and Communication Engineering, University Malaysia Perlis (UniMAP), Block A Seberang Ramai School Complex,02000 K
Country: MALAYSIA
Tel:
Tel prefix:
Fax:
E-mail address: snorlyana@yahoo.com
Other E-mails: buffy_0510@yahoo.com, s0730810155@student.unimap.edu.my
Title of the Paper: Multiband Fractal Planar Inverted F Antenna (F-PIFA) for Mobile Phone Application
Authors as they appear in the Paper: N.A. Saidatul, A.A.H. Azremi, R.B. Ahmad, P.J Soh, F.Malek
Email addresses of all the authors: s0730810155@student.unimap.edu.my, azremi@unimap.edu.my, badli@unimap.edu.my, pjsoh@unimap.edu.my, fareq@unimap.edu.my.
Number of paper pages: 11
Abstract: Fractal planar inverted F antenna (F-PIFA) based on the self affinity design is presented in this research. This research is conducted in order to develop an antenna with low cost, small in size, high performance, and capable to operate at multiple frequency bands. The F-PIFA development processes include specification definition, selection of the dielectric material and construction of prototype using CST software tools. In conducting this research, the production of prototypes is divided into three stages. The first stage is to develop three different iteration of F-PIFA and to evaluate its performance. The second stage is to fabricate, measure the antenna performance as well as the SAR value. Finally, the design is investigated and improved for future works. This research has successfully produced an antenna with good efficiency without degrading bandwidth and gain of the F-PIFA. The antenna has a total dimension of 27mm x 27mm is designed and optimized in order!
to receive GSM (Global System for Mobile Communication) and UMTS (Universal Mobile Telecommunication System) and HiperLAN (HigH Performance Radio LAN) with the frequency range from 850-960 MHz, 1900 MHz to 2100 MHz, 1885 to 2200 MHz for 3G and 4800 MHz to 5800 MHz for HiperLAN respectively. This omni-directional antenna invented here have 65-90% efficiency with peak gain value that is 3.57 dB, and be able to produce less than 2W/kg SAR value.
Keywords: Fractal Planar Inverted F Antenna(F-PIFA), low cost, small in size, high performance, and multiple frequency bands
EXTENSION of the file: .pdf
Special (Invited) Session: Fractal Planar Inverted F Antenna(F-PIFA), low cost, small in size, high performance, and multiple frequency bands
Organizer of the Session:
How Did you learn about congress: Library University Malaysia Perlis (UniMAP), Tingkat 1 &2, Blok Podium, Bangunan KWSP, Jalan Bukit Lagi, 01000 Kangar, Perlis
IP ADDRESS: 115.135.26.5

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Transactions: INTERNATIONAL JOURNAL of SYSTEMS ENGINEERING, APPLICATIONS AND DEVELOPMENT
Transactions ID Number: 19-215
Full Name: OUARDA Hachour
Position: Doctor (Researcher)
Age: ON
Sex: Female
Address: BP n°216 Ain Benian Algiers Algeria
Country: ALGERIA
Tel:
Tel prefix:
Fax:
E-mail address: kala_ouarda@yahoo.fr
Other E-mails:
Title of the Paper: A three dimensional collision- free-path planning
Authors as they appear in the Paper: O.Hachour
Email addresses of all the authors: kala_ouarda@yahoo.fr
Number of paper pages: 10
Abstract: In this present work we present a 3D (three dimensional) collision free path planning of autonomous mobile robot. The planar is considered as 3D smoothed cubic B-spline surface. The 3D algorithm allows a mobile robot to navigate through static obstacles, and finding the path without collision. The proposed method can deal a wide number of environments and gives to our robot the autonomous decision of how to avoid 3D obstacles and how to attend the target. The path connecting the start point to the target point can be interpolated with a NURB-spline (nonuniform rational B-splines ) curve to obtain a smooth curve which fits the surface perfectly. The NURB-spline curves are flexible and powerful mathematical tool to design and control the shapes of three-dimensional surfaces. The proposed algorithm using NURB-spline can deal with 3D environment complexity and finds the optimal path The results are satisfactory to see the great number of environments treated. The resu!
lts are satisfactory and promising. The proposed method is computationally efficient and is suitable for more 3D applications
Keywords: Autonomous Mobile robots, Navigation, 3D Path planning, Cubic B-splines
EXTENSION of the file: .doc
Special (Invited) Session: Towards an approach of Fuzzy control motion for mobile robots in unknown environments
Organizer of the Session: 618-390
How Did you learn about congress:
IP ADDRESS: 41.200.9.31

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Transactions: INTERNATIONAL JOURNAL of SYSTEMS ENGINEERING, APPLICATIONS AND DEVELOPMENT
Transactions ID Number: 19-214
Full Name: OUARDA Hachour
Position: Doctor (Researcher)
Age: ON
Sex: Female
Address: BP n°216 Ain Benian Algiers Algeria
Country: ALGERIA
Tel:
Tel prefix:
Fax:
E-mail address: kala_ouarda@yahoo.fr
Other E-mails:
Title of the Paper: A three dimensional collision- free-path planning
Authors as they appear in the Paper: O.Hachour
Email addresses of all the authors: kala_ouarda@yahoo.fr
Number of paper pages: 10
Abstract: In this present work we present a 3D (three dimensional) collision free path planning of autonomous mobile robot. The planar is considered as 3D smoothed cubic B-spline surface. The 3D algorithm allows a mobile robot to navigate through static obstacles, and finding the path without collision. The proposed method can deal a wide number of environments and gives to our robot the autonomous decision of how to avoid 3D obstacles and how to attend the target. The path connecting the start point to the target point can be interpolated with a NURB-spline (nonuniform rational B-splines ) curve to obtain a smooth curve which fits the surface perfectly. The NURB-spline curves are flexible and powerful mathematical tool to design and control the shapes of three-dimensional surfaces. The proposed algorithm using NURB-spline can deal with 3D environment complexity and finds the optimal path The results are satisfactory to see the great number of environments treated. The resu!
lts are satisfactory and promising. The proposed method is computationally efficient and is suitable for more 3D applications
Keywords: Autonomous Mobile robots, Navigation, 3D Path planning, Cubic B-splines
EXTENSION of the file: .pdf
Special (Invited) Session: Towards an approach of Fuzzy control motion for mobile robots in unknown environments
Organizer of the Session: 618-390
How Did you learn about congress:
IP ADDRESS: 41.200.9.31

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Transactions: SIMULATION AND MODELLING
Transactions ID Number: 10-158
Full Name: Elpidio Romano
Position: Researcher
Age: ON
Sex: Male
Address: Piazz.le Tecchio, Napoli
Country: ITALY
Tel:
Tel prefix:
Fax:
E-mail address: elromano@unina.it
Other E-mails:
Title of the Paper: A decision model for Reverse Logistics management using Simulation
Authors as they appear in the Paper: L. Guerra, T. Murino, E. Romano
Email addresses of all the authors: luigi.guerra@unina.it, murino@unina.it
Number of paper pages: 10
Abstract: In recent years there has been a significant growth in WEEE production, which actually is the most worldwide rapidly growing category of waste with a growth rate of 3-5% annually (three times higher the growth rate of the common trash) even if it will unfortunately rise by 16-20% over the next ten years [16]. Handling this type of waste is becoming more and more difficult even in Italy: more than 850.000 tons of electrical and electronic equipment were discharged in 2008 from private households and businesses and only 14% were properly collected. In this paper a logical model will be described reproducing the WEEE distribution flows, considering several functional aspects. The model is implemented by means of specific simulation software to identify critical operational aspects.
Keywords: Keywords. DES simulation, Reverse Logistics Theory, Supply Chain management, Network design, Location-allocation problem.
EXTENSION of the file: .doc
Special (Invited) Session: Reverse Logistics for Electrical and Electronic Equipment: a modular simulation model
Organizer of the Session: 626-372.pdf
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IP ADDRESS: 93.44.68.67

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 89-187
Full Name: Wei Dong
Position: Please, select:
Age: ON
Sex: Male
Address: 199 south Guangming street Hebei University of Engineering, Handan Hebei
Country: CHINA
Tel: 86-310-8579711
Tel prefix:
Fax:
E-mail address: wdongau@yahoo.com.cn
Other E-mails: dangchhua@yahoo.com.cn
Title of the Paper: Uniqueness of Positive Solutions for Degenerate Logistic Neumann Problems in a Half Space
Authors as they appear in the Paper: Wei Dong, Tieguo Ji
Email addresses of all the authors: wdongau@yahoo.com.cn, rosemary1976@163.com
Number of paper pages: 11
Abstract: In this paper, we consider the existence and uniqueness positive solutions of the following boundary Neumann problem in a half space on where and are continuous functions with non-negative on and is outward pointing unit normal vector of we show that under rather general conditions on and for large and behaves like , where constant , the above problems possesses a minimal positive solution and a maximal positive solution, respectively, Moreover, we establish a relationship between the above problem and the following problem We establish a comparison principal which our proof of the existence results rely essentially on and make use of a rather intuitive squeezing method to get the existence theorems. Furthermore, by analyzing the behavior of the positive solution for the problem in whole space, we show the boundary Neumann problem in half space has only one positive solution. Our results improve the previous works.
Keywords: Sub-super solution, Neumann problem, Comparison principle, Degenerate logistic, Positive solutions
EXTENSION of the file: .doc
Special (Invited) Session: Existence and Uniqueness of Positive Solutions for Degenerate Logistic Neumann Problems in a Half Space
Organizer of the Session: 697-247
How Did you learn about congress:
IP ADDRESS: 221.193.217.2

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 42-276
Full Name: YaYueh Shih
Position: Assistant Professor
Age: ON
Sex: Female
Address: 580 Sinmin Rd., ChiaYi City 600
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: moonshih@mail.ncyu.edu.tw
Other E-mails:
Title of the Paper: Credit scoring model development in banking industry based on hybrid method
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: Enterprises used to draw credit line from bank. However, the loan application process always takes much time, and thus that the evaluation techniques developed to enhance and to facilitate the loan approval process has become an outstanding issue of risk management among banks. The decision trees methodology is also popular in machine learning as a means of automated knowledge acquisition for data mining. Although decision trees have been successfully used in many applications, such as pattern classify, there are several problem, these problems arise mainly due to the splitting step used in practice in the top-down tree induction process. A hybrid model was proposed in this study for credit risk management, in our system neural networks are served only as a tool to reduce the decision table and filter its noise attributes while the final decision rules is generated from the reduced table by decision tree. The effectiveness of the approach was verified by the experi!
ments comparing with traditional decision tree.
Keywords: Neural Networks, Decision Trees, Data Mining, Credit Risk Management.
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress:
IP ADDRESS: 140.130.189.31

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 42-275
Full Name: Mohammad Rashed Iqbal Faruque
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia
Country: MALAYSIA
Tel: +60102938061
Tel prefix:
Fax:
E-mail address: rashedgen@yahoo.com
Other E-mails: rifaruque@gmail.com
Title of the Paper: Effect of Human Head Shapes for Mobile Phone Exposure on Electromagnetic Absorption
Authors as they appear in the Paper: Mohammad Tariqul Islam, Norbahiah Misran
Email addresses of all the authors: titareq@yahoo.com,bahiah@vlsi.eng.ukm.my
Number of paper pages: 10
Abstract: In this paper, the local specific absorption rate (SAR) induced in spherical, cubical, and realistic human head models exposed to a mobile phone is investigated. The highest degree different shapes but almost the same volume of three human head models is considered. Obtained local maximum SAR induced in these three human head models for homogeneous cases are establish to have an average differences of about 12% and 9% at 900 and 1800 MHz respectively. A comparison analysis of SAR induced in the realistic human head model for homogeneous and inhomogeneous cases is also discussed. From the results, it can be observed that the local maximum SAR induced in the homogeneous human head model is larger than that induced in the inhomogeneous human head model.
Keywords: cellular phone, the finite-difference time-domain (FDTD) method, head size, specific absorption rate (SAR).
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
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IP ADDRESS: 202.185.32.254

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 42-274
Full Name: Mohammad Rashed Iqbal Faruque
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia
Country: MALAYSIA
Tel: +60102938061
Tel prefix:
Fax:
E-mail address: rashedgen@yahoo.com
Other E-mails: rifaruque@gmail.com
Title of the Paper: Effect of Human Head Shapes for Mobile Phone Exposure on Electromagnetic Absorption
Authors as they appear in the Paper: Mohammad Tariqul Islam, Norbahiah Misran
Email addresses of all the authors: titareq@yahoo.com,bahiah@vlsi.eng.ukm.my
Number of paper pages: 10
Abstract: In this paper, the local specific absorption rate (SAR) induced in spherical, cubical, and realistic human head models exposed to a mobile phone is investigated. The highest degree different shapes but almost the same volume of three human head models is considered. Obtained local maximum SAR induced in these three human head models for homogeneous cases are establish to have an average differences of about 12% and 9% at 900 and 1800 MHz respectively. A comparison analysis of SAR induced in the realistic human head model for homogeneous and inhomogeneous cases is also discussed. From the results, it can be observed that the local maximum SAR induced in the homogeneous human head model is larger than that induced in the inhomogeneous human head model.
Keywords: cellular phone, the finite-difference time-domain (FDTD) method, head size, specific absorption rate (SAR).
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 89-186
Full Name: Jie Yang
Position: Associate Professor
Age: ON
Sex: Male
Address: Business School,Hohai University, Xikang Road , Nanjing 210098, P.R.China
Country: CHINA
Tel:
Tel prefix:
Fax:
E-mail address: jacky_yang0813@163.com
Other E-mails: homzhou@163.com
Title of the Paper: research on the evaluation methods of bid of construction project based on improved bp neural network
Authors as they appear in the Paper: Jie Yang, Hongjian Qu, Liang Zhou
Email addresses of all the authors: jacky_yang0813@163.com, homzhou@163.com
Number of paper pages: 10
Abstract: Bid and tender is the core stage in construction project, however, many evaluation factors can be handled easily by qualitative analysis, which is hard to avoid subjectivity. In this paper, a new evaluation index system is proposed to use quantitative analysis in order to avoid error which is induced by subjectivity, firstly. Secondly, an improved BP neural network is proposed as an evaluation method. The results indicated that the process of evaluation is simple and practical, and the accuracy can satisfy the actual requirement based on this new evaluation index system and the improved BP neural network.
Keywords: Decision processes, Construction project, Bp neural network, Bid, Tender, Evaluation index system
EXTENSION of the file: .doc
Special (Invited) Session: A Pulse-Coupled Neural Network for Color Image Edge Detection
Organizer of the Session: 613-493
How Did you learn about congress: homzhou@163.com
IP ADDRESS: 202.109.121.58

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 42-273
Full Name: Vicente García
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Av. de Vicent Sos Baynat, s/n, 12071, Castelló de la Plana
Country: SPAIN
Tel: +34 964 72 83 59
Tel prefix: +34 964 72 83 48
Fax: +34 964 72 83 59
E-mail address: vgarciaj@hotmail.com
Other E-mails: jimenezv@lsi.uji.es
Title of the Paper: Surrounding–SMOTE Algorithms for Learning from Imbalanced Data Sets
Authors as they appear in the Paper: Vicente García,J. S. Sánchez, R. A. Mollineda
Email addresses of all the authors: vgarciaj@hotmail.com,jimenezv@lsi.uji.es
Number of paper pages: 10
Abstract: Many traditional approaches to pattern classification assume that the problem classes share similar prior probabilities. However, in many real-world problems, this assumption is grossly violated. Often, the ratios of prior probabilities between classes are extremely skewed. This situation is known as the imbalance problem. One of the methods to tackle this problem consists to balancing the class by resampling the original data set. The SMOTE algorithm is a most popular method to increase the size of the minority class by adding new synthetic minority instances. From the original SMOTE algorithm, we here propose the use of three surrounding neighborhood approaches with the aim of generating artificial minority examples, but taking into account the proximity and the spatial distribution of the examples. This paper show the convenience to use surrounding methods in SMOTE over ten databases and four classifiers.
Keywords: Imbalance, Over-sampling, Surrounding neighborhood, SMOTE, Proximity graph, k-NCN
EXTENSION of the file: .pdf
Special (Invited) Session:
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IP ADDRESS: 150.128.126.126

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Transactions: Please, select the Journal that you submit to
Transactions ID Number: 89-185
Full Name: Cassilda Maria Ribeiro
Position: Associate Professor
Age: ON
Sex: Female
Address: av. ariberto pereira da cunha, 333 - guaratinguetá - sp
Country: BRAZIL
Tel: 31232848
Tel prefix: (55) 12
Fax: 31232845
E-mail address: cassilda@feg.unesp.br
Other E-mails: cassildaribeiro@uol.com.br
Title of the Paper: problem of assignment cells to switches in a cellular mobile network via beam search method
Authors as they appear in the Paper: cassilda maria ribeiro, aníbal tavares azevedo, rodolfo florence teixeira jr
Email addresses of all the authors: cassilda@feg.unesp.br,anibal@feg.unesp.br,rodolfo@feb.unesp.br
Number of paper pages: 11
Abstract: The problem of assigning cells to switches in a cellular mobile network is an NP-hard optimization problem. So, real size mobile networks could not be solved by using exact methods. The alternative is the use of the heuristic methods, because they allow us to find a good quality solution in a quite satisfactory computational time. This paper proposes a Beam Search method to solve the problem of assignment cell in cellular mobile networks. Some modifications in this algorithm are also presented, which allows its parallel application. Computational results obtained from several tests confirm the effectiveness of this approach to provide good solutions for medium- and large-sized cellular mobile network.
Keywords: Combinatorial optimization. Assignment problem. Beam search method. Cellular network. Quadratic integer programming.
EXTENSION of the file: .pdf
Special (Invited) Session: A Beam Search Method to Solve the Problem of Assignment Cells to Switches in a Cellular Mobile Network
Organizer of the Session: 697211
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IP ADDRESS: 200.145.13.79

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 89-184
Full Name: Diana Alina Bistrian
Position: Ph.D. Candidate
Age: ON
Sex: Female
Address: Revolutiei Str., Nr.5, 331128, Hunedoara
Country: ROMANIA
Tel: 004 0254 207543
Tel prefix:
Fax:
E-mail address: diana.bistrian@fih.upt.ro
Other E-mails: diaalina@yahoo.com
Title of the Paper: Descriptor techniques for modeling of swirling fluid structures and stability analysis
Authors as they appear in the Paper: Diana Alina Bistrian, Florica Ioana Dragomirescu, George Savii
Email addresses of all the authors: diana.bistrian@fih.upt.ro,ioana.dragomirescu@mat.upt.ro,george.savii@mec.upt.ro
Number of paper pages: 10
Abstract: In this paper we develop descriptor techniques for modeling swirling hydrodynamic structures. Using the descriptor notation we obtain the generalized eigenvalue formulation for differential-algebraic equations describing the spatial stability of the fluid flow. We describe the general framework for spatial stability investigation of vortex structures in both viscous and inviscid cases. The dispersion relation is analytically investigated and the polynomial eigenvalue problem describing the viscous spatial stability is reduced to a generalized eigenvalue problem in operator formulation using the companion vector technique. A different approach is assessed for spatial inviscid study when the stability model is obtained by means of a class of shifted orthogonal basis and a spectral differentiation matrix is derived to approximate the discrete spatial derivatives. Both schemes applied to a swirling fluid profile provide good results.
Keywords: Hydrodynamic stability, Swirling flow, Descriptor operators, Spectral collocation
EXTENSION of the file: .doc
Special (Invited) Session: Spectral differentiation operators and hydrodynamic models for stability of swirling fluid systems
Organizer of the Session: 697-655
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IP ADDRESS: 89.137.19.34

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Transactions: WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS
Transactions ID Number: 89-183
Full Name: Hiroyuki Kawaguchi
Position: Other
Age: ON
Sex: Male
Address: 1-7-4-205 Ikku-minami-machi, Kochi city, Kochi
Country: JAPAN
Tel: +81 88 855 3343
Tel prefix:
Fax: +81 88 855 3343
E-mail address: info@kawaguchi.com
Other E-mails: hiroyuki_kawaguchi@ken2.pref.kochi.lg.jp
Title of the Paper: Incentive Effects on the Decision to Utilize e-Tax and Motor OSS in Japan
Authors as they appear in the Paper: Hiroyuki Kawaguchi
Email addresses of all the authors: hiroyuki_kawaguchi@ken2.pref.kochi.lg.jp, info@kawaguchi.com
Number of paper pages: 14
Abstract: The author conducted a survey of 100 administrative scriveners who file tax returns in regards to whether or not they utilize e-filing and tax payment systems for national taxes (e-Tax) at the time of filing income tax returns as well as in regards to factors that resulted or did not result in such utilization. According to the survey results, a 5,000 yen tax credit is considered to serve as an incentive to promote e-Tax utilization. Those who continue to utilize e-Tax also tend to be interested in other incentives. On the other hand, a demographic exists who choose not to utilize e-Tax regardless of the monetary incentive, indicating the limitation of the monetary incentive. Meanwhile, the same survey was also conducted in regards to one stop service for procedures relating to automobile ownership (Motor OSS) governed by the Ministry of Land, Infrastructure, Transport and Tourism, but the number of cases of utilization was zero. As a nationwide trend, the rate!
of utilization was 0.7% (11,175 vehicles), indicating a stagnant rate of utilization. The author assumed that a policy to design effective incentives can be established by comparing incentive factors for e-Tax with those for Motor OSS and analyzing the differences, and for that purpose prepared a buyer persona (virtual character) in consideration of the background on the side of an automobile buyer. Incentives that are effective in the case that this buyer persona utilizes Motor OSS were investigated and analyzed. As a result, it was found that monetary incentives for automobile buyers to utilize Motor OSS were not effective, including the incentive that does not require attachments as well as one stop service itself.
Keywords: e-Tax, Motor OSS, Decision making, Monetary incentive, e-Government, Online application, Questionnaire survey, Persona model
EXTENSION of the file: .pdf
Special (Invited) Session: Incentive effects in the decision to utilize e-Tax in Japan
Organizer of the Session: 697-326
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Transactions: WSEAS TRANSACTIONS ON APPLIED AND THEORETICAL MECHANICS
Transactions ID Number: 89-182
Full Name: Chin-Feng Lin
Position: Assistant Professor
Age: ON
Sex: Male
Address: No.2 Beining Road Keelung
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: lcf1024@mail.ntou.edu.tw
Other E-mails: lcf1024@ms75.hinet.net
Title of the Paper: Structure Design for TUUSAT-1A Microsatellite
Authors as they appear in the Paper: Chin-Feng Lin1,2 ,Zuu-Chang Hong 3, Jeng-Shing Chern 4,Chien-Ming Lin3 , Bo-Jyun Chang3 , Chen-Joe Fong5 , and Huan-Jung Lin 6
Email addresses of all the authors: lcf1024@mail.ntou.edu.tw
Number of paper pages: 14
Abstract: One of the main advantage of microsatellites is their small size. The reliability, safety, and effectiveness of the satellite structure play an important role in the normal operation of the satellite. The satellite structure should be designed that it supports all subsystems, and payloads. The satellite structure should be stable against vibration and environmental factors during the rocket launch, in order to ensure normal operation of the other subsystems and payload. When designing a satellite, we take into account the features of the attitude control subsystem, thermal control subsystem, and solar energy subsystem, which are essential for stable operation, as well as the reliability of the structure. In this article, we discuss a structure design for the Taiwan Universities United Satellite NO.1A (TUUSAT-1A) microsatellite. The satellite is a cube with an edge of 28 cm. The surface of the satellite is covered by six aluminum plates, each of which has a solar c!
hip attached to it. The satellite mainly comprises four layers-each layer is an aluminum plates that form a single aluminum alloy block.
Keywords: structure, microsatellite, reliability, safety, effectiveness, stable operation.
EXTENSION of the file: .doc
Special (Invited) Session: Structure Design of TUUSAT-1A Microsatellite
Organizer of the Session: 697-505
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Transactions: INTERNATIONAL JOURNAL of MATHEMATICAL MODELS AND METHODS IN APPLIED SCIENCES
Transactions ID Number: 19-213
Full Name: Yanping Bai
Position: Professor
Age: ON
Sex: Female
Address: North University of China. No 3 xueyuan road, TaiYuan, ShanXi 030051, China.
Country: CHINA
Tel: +86 351 3922721
Tel prefix: +86 351 3922729
Fax: +86 351 3921336
E-mail address: baiyp@nuc.edu.cn
Other E-mails:
Title of the Paper: a recognition system of china-style license plates based on Mathematical morphology and neural network
Authors as they appear in the Paper: Yanping Bai, Hongping Hu, Fei Li, Wei Shuang, Lixia Gong
Email addresses of all the authors: baiyp@nuc.edu.cn,huhongping@nuc.edu.cn,baiyp666@163.com,shuangwei@nuc.edu.cn,gonglixialhdz@163.com
Number of paper pages: 8
Abstract: Vehicle license plate recognition system is the hardcore of the intelligent traffic system. Through the research of four key links of the license plate location, image pre-processing, character segmentation and character recognition, the paper has designed an intact license plate recognition system and has implemented the simulation in the environment of MATLAB. The license plate location, which is based on colour character and vein character, has realized the thick location of the blue bottom and white word license plate. The image pre-processing, which is included gray processing, binary processing and the license plate slant correction to the horizontal line, is adopted by the related operation of mathematical morphology and Radon transformation. Character segmentation is based on the improved horizontal projection. Aiming at the characteristic of China-style license plates, the character recognition is proposed to use four kinds of different classification devi!
ces by using the improved BP neural network. This system is effective for solving the problems which are Chinese character unconnected, cement of the character, illumination variance and interference of the noise and space mark.
Keywords: Artificial neural network, Character segmentation, Image processing, License plate recognition, Mathematical morphology, Radon transformation.
EXTENSION of the file: .doc
Special (Invited) Session: A Chinese License Plate Recognition System
Organizer of the Session: ID number 697-184
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IP ADDRESS: 58.31.79.12

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-272
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: UNVEILING THE IMPLEMENTATION OF SUSTAINABLE BUILDING RATING SYSTEM (SBRS) ON MALAYSIAN BUILDING
Authors as they appear in the Paper: Nor Atikah Hashim, Elias Salleh, Lim Chin Haw, Kamariah Dola & Zuhairuse MD Darus
Email addresses of all the authors: atiqmy@yahoo.com, ujang@eng.ukm.my.
Number of paper pages: 14
Abstract: Awareness of global warming, diminishing natural resources and energy cost increases, the demand for sustainable building also increase. Building are the major source of demand for energy and material that produce by product green house gases(GHG). Studies shows that building sector contribute for over 40% of world's energy requirements. More than 20% of the present energy consumption and carbon dioxides generation could be saved by applying sustainable features to new and refurbish buildings. Sustainable building or green building is important because it eliminates negative impact of building to environmental and occupants. A variety of assessment programs has been developed around the world to evaluate the environmental and energy impacts of buildings. This paper will study and explores the structure of selected SBRS and implementation issue to equip the Malaysian building industry player's knowledge and understanding. It will also cover the background and statem!
ent of the problem, aims and objectives of the study, methodology, scope and significant of the research and chapters organisation.
Keywords: Global Warming, Sustainability, Building, Rating System, Environmental.
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-271
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: Investigation on the Causes of Contract Delays in the Construction of Housing Projects in the State of Selangor Malaysia
Authors as they appear in the Paper: Noraziah Mohammad, Zuhairuse Md Darus, Mohammed Alias Yusof , Norizah Mohamad
Email addresses of all the authors: ujang@vlsi.eng.ukm.my,alias@upnm.edu.my
Number of paper pages: 11
Abstract: This paper explores the most significant causes of contract delays in the construction of housing projects in the States of Selangor Malaysia. Data is collected from questionnaire survey which is based on the literature reviews and also provisions in the 'Pertubohan Akitek Malaysia"(Malaysian Institute of Architect (PAM 1998) standard form of building contract that are associated with the contract delays. The data were analyzed by using mean score method and rank to formulate the findings. The result from questionnaire survey revealed three most significant causes of excusable and compensable delays which are : 'delays due to architect instruction', delays due to late information given to contractor',, and 'delays due to failure of the employer to provide access to site'. The finding suggest that clearly define design brief and also a full understanding of roles and responsibilities between the client and consultant during the early stage of the project developmen!
t may help to minimize the delays in the construction of building projects.
Keywords: Contract Delays, Causes of Delays, Building Contract, Housing. Project Development
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-270
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: Investigation on the Causes of Contract Delays in the Construction of Housing Projects in the State of Selangor Malaysia
Authors as they appear in the Paper: Noraziah Mohammad, Zuhairuse Md Darus, Mohammed Alias Yusof , Norizah Mohamad
Email addresses of all the authors: ujang@vlsi.eng.ukm.my,alias@upnm.edu.my
Number of paper pages: 11
Abstract: This paper explores the most significant causes of contract delays in the construction of housing projects in the States of Selangor Malaysia. Data is collected from questionnaire survey which is based on the literature reviews and also provisions in the 'Pertubohan Akitek Malaysia"(Malaysian Institute of Architect (PAM 1998) standard form of building contract that are associated with the contract delays. The data were analyzed by using mean score method and rank to formulate the findings. The result from questionnaire survey revealed three most significant causes of excusable and compensable delays which are : 'delays due to architect instruction', delays due to late information given to contractor',, and 'delays due to failure of the employer to provide access to site'. The finding suggest that clearly define design brief and also a full understanding of roles and responsibilities between the client and consultant during the early stage of the project developmen!
t may help to minimize the delays in the construction of building projects.
Keywords: Contract Delays, Causes of Delays, Building Contract, Housing. Project Development
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Organizer of the Session:
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-269
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: Investigation on the Causes of Contract Delays in the Construction of Housing Projects in the State of Selangor Malaysia
Authors as they appear in the Paper: Noraziah Mohammad, Zuhairuse Md Darus, Mohammed Alias Yusof , Norizah Mohamad
Email addresses of all the authors: ujang@vlsi.eng.ukm.my,alias@upnm.edu.my
Number of paper pages: 11
Abstract: This paper explores the most significant causes of contract delays in the construction of housing projects in the States of Selangor Malaysia. Data is collected from questionnaire survey which is based on the literature reviews and also provisions in the 'Pertubohan Akitek Malaysia"(Malaysian Institute of Architect (PAM 1998) standard form of building contract that are associated with the contract delays. The data were analyzed by using mean score method and rank to formulate the findings. The result from questionnaire survey revealed three most significant causes of excusable and compensable delays which are : 'delays due to architect instruction', delays due to late information given to contractor',, and 'delays due to failure of the employer to provide access to site'. The finding suggest that clearly define design brief and also a full understanding of roles and responsibilities between the client and consultant during the early stage of the project developmen!
t may help to minimize the delays in the construction of building projects.
Keywords: Contract Delays, Causes of Delays, Building Contract, Housing. Project Development
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Organizer of the Session:
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-268
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: Variation Orders in the Construction of Building Project – A study in the State of Selangor, Malaysia
Authors as they appear in the Paper: Noraziah Mohammad1, Adi Irfan Che Ani1, Riza Atiq O.K. Rakmat1, Zuhairuse Md Darus1, Mohammed Alias Yusof 2, Norizah Mohamad3
Email addresses of all the authors: ujang@vlsi.eng.ukm.my,alias@upnm.edu.my
Number of paper pages: 11
Abstract: This paper explores the most significant causes contribute to the variation orders in the construction of building projects in the States of Selangor Malaysia. Data is collected from questionnaire survey which is based on the literature reviews and also provisions in the 'Persatuan Akitek Malaysia" (PAM 1998) standard form of building contract that are associated with the variation orders. The data were analyzed by using mean score method and rank to formulate the findings. The result from questionnaire survey revealed four most significant causes variation orders which are : 'Change of plan by owner', 'Substitution of materials by owner ', and 'Changes of design by consultant'. The finding concludes that owner is the major source of the variation orders in construction of building projects and suggested that owner to have adequate planning and recourses before initiating a project in order to avoid variation order during the construction stage.
Keywords: Variation Orders; Standard form of building contract; PAM 1998, Owner, Construction Industry
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-267
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: ANALYSIS OF RENEWABLE ENERGY INCENTIVES AND ITS MARKET POTENTIAL IN MALAYSIA
Authors as they appear in the Paper: Zuhairuse Md Darus, Afaq Chawdar, Othman Abdul Karim, Khairulnizam Abdul Maulud & Abdul Khalim Abdul Rashid
Email addresses of all the authors: ujang@vlsi.eng.ukm.my,atiqmy@yahoo.com
Number of paper pages: 11
Abstract: Emerging conditions from record high soaring prices of oil in year 2008 and precedent oil crisis of 1970 has set the world to face the energy crisis, looming over a four decades. These conditions become more provoked in scenario of rapid globalization and race for higher economic gains positioned the energy sector at pivotal position to retain the economic competitiveness and progress in developing countries. The mission to accomplish the developed status in world and to maintain higher rate of economic growth, importance of formal and alternate energy sector has grown many folds in Malaysia. Up to this time Malaysia has managed to take advantage from its energy resources such as oil and natural gas. In order to achieve the uninterrupted flow of energy and resource friendly energy solution, Malaysia is striving hard to develop and search the alternate source of energy to sustain and fuel its economic growth engines. This paper has analysed the factual condition !
of energy demand and role of renewable energy to meet the future demand of energy through renewable resources of energy. This paper has also explored the prevailing monetary incentives and policies in addition to renewable business prospectus in Malaysia.
Keywords: Malaysia Energy Outlook, Renewable Energy Policies, Potentials of Renewable Energy and Scope of Renewable Energy Market & Business.
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-266
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: IDENTIFYING CHALLENGES IN IMPLEMENTING SUSTAINABLE PRACTICES IN A DEVELOPING NATION
Authors as they appear in the Paper: Omidreza Saadatian1 ,Osman Mohd Tahir1, Nor Atikah Hashim1 & Zuhairuse Md Darus2
Email addresses of all the authors: saadatia@streamyx.com, osmanmt@putra.upm.edu.my, ujang@eng.ukm.my, atiqmy@yahoo.com
Number of paper pages: 10
Abstract: The South Pars Special Economic Energy Zone (SPSEEZ) is the largest petroleum zone in Iran and the second biggest gas producer in the world. It is now one of the world's most important eco-industrial poles. Despite activists' calls to sustainable path, there is little systematic effort in the assessment of industrial zones sustainability in developing countries. Iran, a nation that has ratified the Rio Declaration pact, has moved forward in order to achieve sustainable development. There have always been controversial debates due to its success. This paper employs survey to explore the perception of people on planning and sustainable development efforts at SPSEEZ. The result shows that the major impediment against sustainability is the lack of involvement from urban planners and the public during decision-making process. Finally, the paper contributes to the identification of the most urgent problems in SPSEEZ and the functions of different stakeholders as a refe!
rence for better sustainable development planning
Keywords: Sustainable development, stakeholders' perception, planning, sustainability
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The following information was submitted:

Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-265
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Bangi Selangor
Country: MALAYSIA
Tel: 89214584
Tel prefix: +603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: IDENTIFYING CHALLENGES IN IMPLEMENTING SUSTAINABLE PRACTICES IN A DEVELOPING NATION
Authors as they appear in the Paper: Omidreza Saadatian1 ,Osman Mohd Tahir1, Nor Atikah Hashim1 & Zuhairuse Md Darus2
Email addresses of all the authors: saadatia@streamyx.com, osmanmt@putra.upm.edu.my, ujang@eng.ukm.my, atiqmy@yahoo.com
Number of paper pages: 10
Abstract: The South Pars Special Economic Energy Zone (SPSEEZ) is the largest petroleum zone in Iran and the second biggest gas producer in the world. It is now one of the world's most important eco-industrial poles. Despite activists' calls to sustainable path, there is little systematic effort in the assessment of industrial zones sustainability in developing countries. Iran, a nation that has ratified the Rio Declaration pact, has moved forward in order to achieve sustainable development. There have always been controversial debates due to its success. This paper employs survey to explore the perception of people on planning and sustainable development efforts at SPSEEZ. The result shows that the major impediment against sustainability is the lack of involvement from urban planners and the public during decision-making process. Finally, the paper contributes to the identification of the most urgent problems in SPSEEZ and the functions of different stakeholders as a refe!
rence for better sustainable development planning
Keywords: Sustainable development, stakeholders' perception, planning, sustainability
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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-264
Full Name: Zuhairuse Md Darus
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Architecture, Faculty of Engineering, Universiti Kebangsaan Malaysia, UKM Bangi 43600. Selangor,
Country: MALAYSIA
Tel: +60389214584
Tel prefix: =603
Fax: +60389213670
E-mail address: ujang@eng.ukm.my
Other E-mails: atiqmy@yahoo.com
Title of the Paper: Development of Sustainable and Regional Tourism Architecture on Island Resort in Malaysia
Authors as they appear in the Paper: Siti Nurhidayah Abdul Manan, Nor Atikah Hashim & Zuhairuse Md Darus
Email addresses of all the authors: ujang@vlsi.eng.ukm.my,atiqmy@yahoo.com
Number of paper pages: 12
Abstract: Cultural authenticity and identity need to be integrated in all aspects of development in our country to enhance our cultural identity and lifestyles. As Malaysia is a multi-racial country, a good planning which can integrates all the racial culture is needed to develop the formation of national identity and culture. Malay culture and heritage are a well-blend of social, culture, economic, architecture, and environment. Hence, sustainable development are stressed on balance and unity between economic development and social needs, also, to meet current need without disturbing future requirements. Time and distance are getting shorter after implications of global impacts on technology development and communication system. The effects can be clearly seen on purpose changes of tourism which are more leading to resources such as sustainable, educational, cultural, agricultural and ecological oriented rather than recreational and entertainment basis. Based on these pers!
pectives, this paper will discuss on sustainable tourism element which will take place in the development of sustainable regional architecture development on island in Malaysia. The existing tourism products and architecture can improve the quality of the island resort in Malaysia.
Keywords: Cultural, Identity, Integrated. Development, Lifestyles, Tourism.
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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 89-181
Full Name: Ching-Hui Chang
Position: Associate Professor
Age: ON
Sex: Male
Address: No.5, Te-Ming Rd., Gwei Shan District, Taoyuan County
Country: TAIWAN
Tel: 886-3-350-7001ext.3250
Tel prefix:
Fax: 886-3-359-3873
E-mail address: chchang@mcu.edu.tw
Other E-mails: jjlinster@gmail.com
Title of the Paper: partial state-owned bank interest margin, default risk, and structural breaks: a model of financial engineering
Authors as they appear in the Paper: Jyh-Horng Lin,Ching-Hui Chang, Rosemary Jou
Email addresses of all the authors: lin9015@mail.tku.edu.tw,chchang@mcu.edu.tw,893560135@s93.tku.edu.tw
Number of paper pages: 14
Abstract: Recent reports demonstrate that the grip of nationalism is tightest in banking (Economist, 2009a), and in France and Britain, politicians powering taxpayers¡¦ money into ailing banks are demanding that the cash be lent at home (Economist, 2009b). This paper proposes a call option model for bank interest margin and default risk valuation based on an event-dependent, structural break framework under the return of banking nationalization. The primary feature is the existence of the discontinuity and fat tails of asset returns and risks caused by structural changes. We show that an increase in the structural breaks in mean return discontinuity and volatility fluctuation caused by the increasing degree of the bank¡¦s partial nationalization increases the bank¡¦s interest margin and default risk. We conclude that nationalization may be a high return-volatility structure break.
Keywords: Partial Nationalization, Structural Change, Retail Banking, Interest Margin
EXTENSION of the file: .pdf
Special (Invited) Session: partial state-owned bank interest margin, default risk, and structural breaks: a model of financial engineering
Organizer of the Session: 101-199
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 89-180
Full Name: Ching-Hui Chang
Position: Associate Professor
Age: ON
Sex: Male
Address: No.5, Te-Ming Rd., Gwei Shan District, Taoyuan County
Country: TAIWAN
Tel: 886-3-350-7001ext.3250
Tel prefix:
Fax: 886-3-359-3873
E-mail address: chchang@mcu.edu.tw
Other E-mails: jjlinster@gmail.com
Title of the Paper: a structure-break option framework for bank margin valuation when foreign-denominated loans squeezing a country
Authors as they appear in the Paper: Jyh-Horng Lin,Ching-Hui Chang, Rosemary Jou
Email addresses of all the authors: lin9015@mail.tku.edu.tw,chchang@mcu.edu.tw,893560135@s93.tku.edu.tw
Number of paper pages: 11
Abstract: The banking industry is recently experiencing a renewed focus on retail banking, a trend often attributed to the stability and profitability of retail activities (Hirtle and Stiroh, 2007). This paper examines operations management in bank interest margin when foreign-denominated loans are squeezing a country as its currency falters. In a call-option model with fat-tail distribution framework where structural changes from exchange rate depreciated dramatically are the source of uncertainty (we call such changes bad events), exchange rates or bad events have direct effects on the bank¡¦s optimal interest margin. A depreciation in the domestic currency results in an increased interest margin. We conclude that retail banking may be a relatively shrinking lending activity but it is a high return one when an observed bad event from the domestic-currency depreciation is becoming worse.
Keywords: Bank Interest Margin, Retail Banking, Exchange Rate, Structural Change
EXTENSION of the file: .pdf
Special (Invited) Session: a structure-break option framework for bank margin valuation when foreign-denominated loans squeezing a country
Organizer of the Session: 101-198
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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 89-179
Full Name: Ching-Hui Chan
Position: Associate Professor
Age: ON
Sex: Male
Address: No.5, Te-Ming Rd., Gwei Shan District, Taoyuan County
Country: TAIWAN
Tel: 886-3-350-7001ext.3250
Tel prefix:
Fax: 886-3-359-3873
E-mail address: chchang@mcu.edu.tw
Other E-mails: jjlinster@gmail.com
Title of the Paper: a note on skew-normal distribution approximation to the negative binomal distribution
Authors as they appear in the Paper: Jyh-Jiuan Lin, Ching-Hui Chang and Rosemary Jou
Email addresses of all the authors: 117604@mail.tku.edu.tw,chchang@mcu.edu.tw,893560135@s93.tku.edu.tw
Number of paper pages: 10
Abstract: This article revisits the problem of approximating the negative binomial distribution. Its goal is to show that the skew-normal distribution, another alternative methodology, provides a much better approximation to negative binomial probabilities than the usual normal approximation
Keywords: Central Limit Theorem, Cumulative distribution function (cdf), Skew-normal distribution, Skew parameter
EXTENSION of the file: .pdf
Special (Invited) Session: a note on skew-normal distribution approximation to the negative binomal distribution
Organizer of the Session: 101-197
How Did you learn about congress:
IP ADDRESS: 61.229.9.63

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 42-263
Full Name: Sennimalai Kalimuthu
Position: Professor
Age: ON
Sex: Male
Address: SF 211 & 212/4,Kanjampatti P.O, Pollachi Via, Tamil Nadu 642003, India
Country: INDIA
Tel: 91 97885 49996
Tel prefix:
Fax:
E-mail address: space@yours.com
Other E-mails: kgeom50@yahoo.com
Title of the Paper: Geometry fails in space
Authors as they appear in the Paper: S.Kalimuthu
Email addresses of all the authors: space@yours.com
Number of paper pages: 10
Abstract: The most famous physicist time and again used to tell that it is highly impossible to explain quantum physics in Newtonian mechanics.The fifth Euclidean postulate does not hold in hyperbolic and spherical spaces.Similarly in this shorter work, the author attempted to show that in larger and larger space, all of our geometries fail to hold.
Keywords: Euclidean Postulates; Number Theory; Algebra
EXTENSION of the file: .pdf
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IP ADDRESS: 124.125.39.98

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 42-262
Full Name: Fareq Malek
Position: Senior Lecturer
Age: ON
Sex: Male
Address: Universiti Malaysia Perlis (UniMAP), School of Computer and Communication Engineering, No. 12 & 14, Jalan Satu, Taman Seberang Jaya Fasa 3, Kuala Perlis 02000, Perlis
Country: MALAYSIA
Tel: +6049851657
Tel prefix:
Fax: +6049851695
E-mail address: mfareq@unimap.edu.my
Other E-mails:
Title of the Paper: Design of a Free Electron Maser without Wiggler
Authors as they appear in the Paper: Fareq Malek, James Lucas, Yi Huang
Email addresses of all the authors: mfareq@uniap.edu.my , j.lucas@liv.ac.uk , yi.huang@liv.ac.uk
Number of paper pages: 12
Abstract: We are developing prototype free electron maser (FEM) that is compact, powerful and efficient for potential industrial applications. The design, set-up and results of a novel X-band rectangular waveguide pre-bunched free electron maser (PFEM) are presented in this paper. Our initial device operates at 10 GHz, without wiggler and employs two rectangular waveguide cavities (one for velocity modulation and the other for energy extraction). The electron beam used in this experiment is produced by thermionic electron gun which operates at 3 kV and up to 50 μA. The nominal beam diameter is 1mm passing across the X-band cavity resonators. The resonant cavity consists of a thin gap section of height 1.5mm which reduces the beam energy required for beam wave interaction. The results, progress so far and the scope of work for the next couple of months are reported.
Keywords: Pre-bunching, X-Band, Velocity modulation, Free Electron Maser, Rectangular waveguide
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: Mrs Mazmin Mat Akhir , Universiti Malaysia Perlis (UniMAP), The University of Library , Level 1 & 2, Blok Podium, Bangunan KWSP, Jalan Bukit Lagi, Kangar 01000, Perlis, Malaysia. mazmin@unimap.edu.my
IP ADDRESS: 203.82.92.132

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-261
Full Name: Cristian Ioja
Position: Associate Professor
Age: ON
Sex: Male
Address: 1, Nicolae Balcescu, sector 1, Bucharest, 010041
Country: ROMANIA
Tel: +40213103872
Tel prefix: +4021
Fax: +40213103872
E-mail address: cristi@portiledefier.ro
Other E-mails: iojacristian@yahoo.com
Title of the Paper: Categories of residential spaces after their accessibility to urban parks – indicator of sustainability in human settlements
Authors as they appear in the Paper: Cristian Ioja, Maria Patroescu, Mihai Nita, Laurentiu Rozylowicz, Gabriel Vanau, Annemarie Ioja, Diana Onose
Email addresses of all the authors: cristi@portiledefier.ro, mpatroescu@yahoo.com, nitamihairazvan@yahoo.com, laurentiu_rozy@yahoo.com, gabi_vanau@yahoo.com, annemarie.ioja@yahoo.com, mylene_ro2004@yahoo.com
Number of paper pages: 10
Abstract: Urban parks size, spatial distribution and endowments represent essential indicators used for measuring the sustainability of urban environments and the quality of life in residential spaces. The paper assesses the deficit of urban parks in Bucharest by delimitating categories of residential spaces according to their accessibility to the city parks. We have set categories of residential spaces with poor access to urban parks and considered them to be priority intervention areas for urban rehabilitation in this aspect. Deficient access to Bucharest urban parks was correlated with development of new residential areas, as these tend to further increase the high density of built space and consequent traffic congestion. Identifying critical areas that lack good access to urban parks allows city public authorities to draw adequate measures to improve or to avoid worsening of the situation in a city with numerous environmental issues and an unpredictable future evolution!
.
Keywords: Bucharest, critical areas, housing, residential areas, Romania, urban parks, urban sustainability
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: 1, Bd Nicolae Balcescu, Bucharest, 10041
IP ADDRESS: 188.25.154.219

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-260
Full Name: Cristian Ioja
Position: Associate Professor
Age: ON
Sex: Male
Address: 1, Nicolae Balcescu, sector 1, Bucharest, 010041
Country: ROMANIA
Tel: +40213103872
Tel prefix: +4021
Fax: +40213103872
E-mail address: cristi@portiledefier.ro
Other E-mails: iojacristian@yahoo.com
Title of the Paper: Categories of residential spaces after their accessibility to urban parks – indicator of sustainability in human settlements
Authors as they appear in the Paper: Cristian Ioja, Maria Patroescu, Mihai Nita, Laurentiu Rozylowicz, Gabriel Vanau, Annemarie Ioja, Diana Onose
Email addresses of all the authors: cristi@portiledefier.ro, mpatroescu@yahoo.com, nitamihairazvan@yahoo.com, laurentiu_rozy@yahoo.com, gabi_vanau@yahoo.com, annemarie.ioja@yahoo.com, mylene_ro2004@yahoo.com
Number of paper pages: 10
Abstract: Urban parks size, spatial distribution and endowments represent essential indicators used for measuring the sustainability of urban environments and the quality of life in residential spaces. The paper assesses the deficit of urban parks in Bucharest by delimitating categories of residential spaces according to their accessibility to the city parks. We have set categories of residential spaces with poor access to urban parks and considered them to be priority intervention areas for urban rehabilitation in this aspect. Deficient access to Bucharest urban parks was correlated with development of new residential areas, as these tend to further increase the high density of built space and consequent traffic congestion. Identifying critical areas that lack good access to urban parks allows city public authorities to draw adequate measures to improve or to avoid worsening of the situation in a city with numerous environmental issues and an unpredictable future evolution!
.
Keywords: Bucharest, critical areas, housing, residential areas, Romania, urban parks, urban sustainability
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: 1, Bd Nicolae Balcescu, Bucharest, 10041
IP ADDRESS: 188.25.154.219

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The following information was submitted:

Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 42-259
Full Name: Cristian Ioja
Position: Associate Professor
Age: ON
Sex: Male
Address: 1, Nicolae Balcescu, sector 1, Bucharest, 010041
Country: ROMANIA
Tel: +40213103872
Tel prefix: +4021
Fax: +40213103872
E-mail address: cristi@portiledefier.ro
Other E-mails: iojacristian@yahoo.com
Title of the Paper: Categories of residential spaces after their accessibility to urban parks – indicator of sustainability in human settlements
Authors as they appear in the Paper: Cristian Ioja, Maria Patroescu, Mihai Nita, Laurentiu Rozylowicz, Gabriel Vanau, Annemarie Ioja, Diana Onose
Email addresses of all the authors: cristi@portiledefier.ro, mpatroescu@yahoo.com, nitamihairazvan@yahoo.com, laurentiu_rozy@yahoo.com, gabi_vanau@yahoo.com, annemarie.ioja@yahoo.com, mylene_ro2004@yahoo.com
Number of paper pages: 10
Abstract: Urban parks size, spatial distribution and endowments represent essential indicators used for measuring the sustainability of urban environments and the quality of life in residential spaces. The paper assesses the deficit of urban parks in Bucharest by delimitating categories of residential spaces according to their accessibility to the city parks. We have set categories of residential spaces with poor access to urban parks and considered them to be priority intervention areas for urban rehabilitation in this aspect. Deficient access to Bucharest urban parks was correlated with development of new residential areas, as these tend to further increase the high density of built space and consequent traffic congestion. Identifying critical areas that lack good access to urban parks allows city public authorities to draw adequate measures to improve or to avoid worsening of the situation in a city with numerous environmental issues and an unpredictable future evolution!
.
Keywords: Bucharest, critical areas, housing, residential areas, Romania, urban parks, urban sustainability
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: 1, Bd Nicolae Balcescu, Bucharest, 10041
IP ADDRESS: 188.25.154.219

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 42-258
Full Name: Yun fah Chang
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Department of Mathematical Sciences, Universiti Tunku Abdul Rahman, No. 9, Jalan Bersatu 13/4, 46200 Petaling Jaya, Selangor
Country: MALAYSIA
Tel: 79551511
Tel prefix: 603
Fax: 79551611
E-mail address: changyf@utar.edu.my
Other E-mails: cyfah@yahoo.com
Title of the Paper: multidimensional unreplicated linear functional relationship model with single slope and its coefficient of determination
Authors as they appear in the Paper: Yun fah Chang, Omar Mohd rijal, Syed abdul rahman Abu bakar
Email addresses of all the authors: changyf@utar.edu.my,omarrija@um.edu.my,syed@fke.utm.my
Number of paper pages: 19
Abstract: Multidimensional unreplicated linear functional relationship model (MULFR) with single slope is considered where p-dimensional measurement errors are introduced. When the ratio of error variances is known, the parameters¡¯ estimation can be considered as a generalization of the unreplicated linear functional relationship model. However, investigation on unbiased property of the estimators are not strict-forward. Taylor approximation is applied to show the intercept and slope estimators are approximately unbiased. The consistency property is discussed using Fisher Information Matrix. The coefficient of determination for MULFR model and its properties are also studied. A simulation study is carried out to evaluate the proposed estimators of the intercept and slope, and the coefficient of determination. This coefficient of determination provides a useful analysis tool for many image processing applications. A numerical example for JPEG compressed image quality asses!
sment is explained.
Keywords: Coefficient of determination, Image quality, Jpeg compression, Measurement errors, Unreplicated linear functional relationship
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: Chang Tiam Chau; Main Library, UTAR, 46200 Petaling Jaya, Selangor, Malaysia; changtc@utar.edu.my
IP ADDRESS: 58.27.19.248

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Transactions: WSEAS TRANSACTIONS ON SIGNAL PROCESSING
Transactions ID Number: 42-257
Full Name: Xuejun Sun
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: No. 2006, Xi Yuan Road, Hi-Tech Zone (West), Chengdu, P.R.China
Country: CHINA
Tel:
Tel prefix:
Fax:
E-mail address: zedg@sina.com
Other E-mails:
Title of the Paper: An improved and fast approach to parameter estimation of SFM signal using Carson's rule
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 11
Abstract: Fast parameter estimation of sinusoidal frequency modulation signal (SFM) in additive white Gaussian noise is considered. A technique based on Carson's rule is developed to estimate the frequency modulation index; the carrier frequency is calculated using the symmetrical property of side-frequency components; the instantaneous frequency is computed to get the modulation frequency. The Cram¨¦r-Rao lower bound (CRLB) of parameter estimation of SFM is also been derived. Monte Carlo simulations show that the parameter estimation accuracy is acceptable when the SNR is above 6dB.
Keywords: Sinusoidal FM; Carson's Rule; Parameter estimation; Instantaneous frequency; CRLB
EXTENSION of the file: .doc
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IP ADDRESS: 125.71.228.70

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The following information was submitted:

Transactions: WSEAS TRANSACTIONS ON SIGNAL PROCESSING
Transactions ID Number: 42-256
Full Name: Xuejun Sun
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: No. 2006, Xi Yuan Road, Hi-Tech Zone (West), Chengdu, P.R.China
Country: CHINA
Tel:
Tel prefix:
Fax:
E-mail address: zedg@sina.com
Other E-mails:
Title of the Paper: An Improved and Fast Approach to Parameter Estimation of SFM Signal Using Carson's Rule
Authors as they appear in the Paper: Xuejun Sun, Bin Tang
Email addresses of all the authors:
Number of paper pages: 11
Abstract: Fast parameter estimation of sinusoidal frequency modulation signal (SFM) in additive white Gaussian noise is considered. A technique based on Carson's rule is developed to estimate the frequency modulation index; the carrier frequency is calculated using the symmetrical property of side-frequency components; the instantaneous frequency is computed to get the modulation frequency. The Cram¨¦r-Rao lower bound (CRLB) of parameter estimation of SFM is also been derived. Monte Carlo simulations show that the parameter estimation accuracy is acceptable when the SNR is above 6dB.
Keywords: Sinusoidal FM; Carson's Rule; Parameter estimation; Instantaneous frequency; CRLB
EXTENSION of the file: .doc
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Organizer of the Session:
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IP ADDRESS: 125.71.228.70

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 42-255
Full Name: Tain-Sou Tsay
Position: Associate Professor
Age: ON
Sex: Male
Address: 64, Wen Hua Road, Huwei, Yunlin, 63208
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: tstsay@nfu.edu.tw
Other E-mails: tstsay@gmail.com
Title of the Paper: Automatic Regulation Time Series for Sampled-data Feedback Control Systems with Limited Control Inputs
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: In this literature, a new nonlinear digital controller is proposed for analyses and designs of sampled-data feedback control systems. The controller is derived from the converging characteristic of a specified numerical series. The ratios of neighbourhoods of the series are formulated as a function of the output of the plant and the reference input command, and will be converged to be unities after the output has tracked the reference input command. Limitation of the series can be applied to get better performance. Two kinds of servo system, a time-delay system, one very high order system and a 2x2 multivariable aircraft gas turbine engine are used to illustrate effectiveness of the proposed nonlinear digital controller. Comparisons with other conventional methods are also made.
Keywords: Time series, Nonlinear control, Sampled data feedback control system
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IP ADDRESS: 140.130.24.104

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 42-254
Full Name: Mohammed-Issa Jaradat
Position: Assistant Professor
Age: ON
Sex: Male
Address: Ma'an, Jordan
Country: JORDAN
Tel:
Tel prefix:
Fax:
E-mail address: mi_jaradat@ahu.edu.jo
Other E-mails: mi_jaradat@yahoo.com
Title of the Paper: Assessing the Introduction of Mobile University in Jordan Using Technology Acceptance Model
Authors as they appear in the Paper: Dr. Mohammed-Issa R. Jaradat
Email addresses of all the authors: mi_jaradat@ahu.edu.jo
Number of paper pages: 12
Abstract: The use of mobile technologies is increasingly widespread because of the need of mobility. This study aimed to explore the utilization of mobile phone services in the educational environment and investigate students' expectations and attitudes towards mobile university services in Jordan. Data for this study have been collected using a questionnaire containing (34) questions. Out of (400) questionnaires that have been distributed randomly at Al-Hussein Bin Talal University students in Jordan, (370) are returned (92.5%). As a result of this study it appeared that if students have positive attitudes towards mobile university, they will use it. This study finds that a high majority of the students indicated their willingness to become users of such services if offered, taking into consideration (security and privacy, and social influence) as factors that could affect the success of using mobile university in Jordan. This study gives quantified indicators about mobil!
e university and a model that might help in understanding the mobile university environment in Jordan.
Keywords: Mobile University; Technology Acceptance Model (TAM); Security and Privacy (SP); Social Influence (SI); Cost (CMU).
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: Al-Hussein Bin Talal University, library@ahu.edu.jo,Jordan
IP ADDRESS: 79.173.207.250

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 89-178
Full Name: Milan Tuba
Position: Professor
Age: ON
Sex: Male
Address: M. Milankovica 178, 11070 N. Belgrade, SERBIA
Country: YUGOSLAVIA
Tel: 381 64 8650052
Tel prefix:
Fax:
E-mail address: tubamilan@ptt.rs
Other E-mails:
Title of the Paper: Comparison of Different Topologies for Island-Based Multi-Colony Ant Algorithms for the Minimum Weight Vertex Cover Problem
Authors as they appear in the Paper: Raka Jovanovic, Milan Tuba, Dana Simian
Email addresses of all the authors: rakabog@yahoo.com,tubamilan@ptt.rs,d_simian@yahoo.com
Number of paper pages: 10
Abstract: The aim of this paper is compare the effect of using different topologies or connections between separate colonies in island based parallel implementations of the Ant Colony Optimization applied to the Minimum Weight Vertex Cover Problem. We investigated the sequential Ant Colony Optimization algorithms applied to the Minimum Weight Vertex Cover Problem before. Parallelization of population based algorithms using the island model is of great importance because it often gives super linear increase in performance. We observe the behavior of different parallel algorithms corresponding to several topologies and communication rules like fully connected, replace worst, ring and independent parallel runs. We also propose a variation of the algorithm corresponding to the ring topology that maintains the diversity of the search, but still moves to areas with better solutions and gives slightly better results even on a single processor with threads.
Keywords: Ant colony optimization, Minimum weight vertex cover problem, Parallel computing, Combinatorial optimization, Evolutionary computing
EXTENSION of the file: .pdf
Special (Invited) Session: Analysis of Parallel Implementations of the Ant Colony Optimization Applied to the Minimum Weight Vertex Cover Problem
Organizer of the Session: 617-339
How Did you learn about congress:
IP ADDRESS: 89.110.234.97

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 89-177
Full Name: Milan Tuba
Position: Professor
Age: ON
Sex: Male
Address: M. Milankovica 178, 11070 N. Belgrade, SERBIA
Country: YUGOSLAVIA
Tel: 381 64 8650052
Tel prefix:
Fax:
E-mail address: tubamilan@ptt.rs
Other E-mails:
Title of the Paper: Relation between Successfulness of Birthday Attack on Digital Signature and Hash Function Irregularity
Authors as they appear in the Paper: Milan Tuba, Nadezda Stanarevic
Email addresses of all the authors: tubamilan@ptt.rs,srna@stanarevic.com
Number of paper pages: 10
Abstract: In many network communications it is crucial to be able to authenticate both the contents and the origin of a message. Digital signatures based on public key schemas are used for such authentication. In order to provide message authentication the signature must depend on the contents of the message being signed. Since the public key-based signature schemes take too much time to compute, hash functions that map messages to short digests h(M) are used. Among other desirable properties of hash functions, an interesting one is that it should be collision-resistant, that is it should be difficult to find two messages with the same hash value. To find a collision the birthday attack is used, which shows that attacker may not need to examine too many messages before he finds a collision. Even worse, in estimates of attack successfulness it is always assumed that the hash function is regular, meaning that all points in the range have the same number of pre-images under h!
. If h is not regular, fewer trials are required to find a collision. In this paper we first compute tighter upper and lower bounds for the number of birthday attack trials when the hash function is regular. Then we examine different types of irregularity of the hash function and the quantitative changes in the required number of trials to find a collision which then compromises the digital signature system.
Keywords: Digital signature, Birthday attack, Irregular hash function, Hash collision
EXTENSION of the file: .pdf
Special (Invited) Session: Digital Signature and Hash Function Irregularity
Organizer of the Session: 614-427
How Did you learn about congress:
IP ADDRESS: 89.110.234.97

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 42-253
Full Name: manai lazhar
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: 9 sidi khelil street Ben Arous
Country: TUNISIA
Tel: 21698915842
Tel prefix: 21671316490
Fax:
E-mail address: manaii_lazhar@yahoo.fr
Other E-mails:
Title of the Paper: A new control algorithm of PWM multilevel Inverter-Fed Induction Motors
Authors as they appear in the Paper: manai lazhar , ben ammar faouzi
Email addresses of all the authors: manaii_lazhar@yahoo.fr , Faouzi.Benamar@insat.rnu.tn
Number of paper pages: 12
Abstract: This paper presents a method to design a new control algorithm, using the nonlinear feedback transformation technique to deal with the control problem of multilevel inverter-induction motors system. To provide effective control, nonlinearities and flying capacities voltages variations in the model must be taken into account in the control design. Based on input-output linearization theory, a decoupled nonlinear control strategy is obtained for induction motor by assuring multilevel inverter capacities voltages stabilization. Simulation results demonstrate that the approach proposed in this paper is correct, and the control strategy designed is effective.
Keywords: Induction motor-multilevel inverter modeling, nonlinear systems, nonlinear control, feedback linearization
EXTENSION of the file: .doc
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How Did you learn about congress: L.S.E: Laboratory of the Electric Systems
IP ADDRESS: 41.230.45.234