Thursday 31 March 2011

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 53-367
Full Name: Nadeem Mahmood
Position: Assistant Professor
Age: ON
Sex: Male
Address: Department of Computer Science, UBIT, University of karachi, Karachi-75270, Pakistan
Country: PAKISTAN
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E-mail address: nmahmood@uok.edu.pk
Other E-mails: nadeemdcsku@yahoo.com
Title of the Paper: Advances in Fuzzy Temporal Relational Databases: A Review
Authors as they appear in the Paper: Nadeem Mahmood and Aqil Burney
Email addresses of all the authors: nmahmood@uok.edu.pk
Number of paper pages: 14
Abstract: This paper investigates the need for the development of fuzzy-temporal relational database model (FTRDM) and investigates some important and necessary issues and concepts for the development of such model. This paper highlights the importance of building temporal ontology for database application in the relational environment. The main emphasis is on the conceptual framework and paper presents important contributions made by the researchers in developing temporal relational models and temporal query languages. Most of the real world applications involve imprecise and uncertain data and fuzzy set theory has been extensively used by the researchers for the management of fuzzy (non-crisp) data in relational database environment. We propose the guideline for the representing imprecise and vague information concepts in a conceptual data model. The significant contributions in this area are also explored. Fuzzy data has its own dynamics and time has its own complexity, w!
hich leads to fuzzy-temporal or temporal-fuzzy models. This paper presents the methodology and concepts pertaining to the development of fuzzy and fuzzy temporal query language and surveyed the important contributions in this direction.
Keywords: Temporal ontology, Temporal relational model, Imprecise data, Fuzzy set theory, Fuzzy-temporal model, Fuzzy-temporal query language
EXTENSION of the file: .doc
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