Sunday, 14 December 2008

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 28-711
Full Name: Samhaa El-Beltagy
Position: Associate Professor
Age: ON
Sex: Female
Address: Computer Science Department, 5 Tharwat Street, Orman, Giza 12613
Country: EGYPT
Tel: 33030752
Tel prefix: +202
Fax:
E-mail address: samhaa@claes.sci.eg
Other E-mails: seb_r_a@yahoo.com
Title of the Paper: Automatic Generation of Explanation for Expert Systems implemented with Different Knowledge Representations
Authors as they appear in the Paper: Ahmed Fouad Said, Ahmed Rafea, Samhaa R. El-Beltagy, Hesham Hassan
Email addresses of all the authors: ahmed@claes.sci.eg, rafea@aucegypt.edu, samhaa@acm.org, hesham@claes.sci.eg
Number of paper pages: 10
Abstract: Humans seem to have a natural instinct for wanting to understand and make sense of their environment and things in it. In expert systems (ES) explanation can be used to clarify the reasoning process to users such that they can gain a better understanding of how the system functions. With the help of good explanation facilities, a user can know why an ES is asking a particular question, how the expert system will act if given a certain input, and how the ES reaches a particular conclusion. This is especially important when an ES application is used as a high level advisor to professionals who must retain responsibility for the decisions which are made. However, most ES explanation components require acquiring additional knowledge for explanation, thus increasing the effort of implementing an ES with explanation capabilities. The primary goal of this work is to present a methodology for automatically generating explanations during and at the end of the reasoning proc!
ess. The developed explanation components can deal with different knowledge representation schemes that are used by problem solving methods namely, the "generate and confirm hypotheses" that is based on the CommonKADS methodology, and the routine design generic task. As a proof of concept the explanation components were developed and integrated into the agricultural expert system generic tool (AESGT). The developed explanation components can be easily reused with expert systems developed by the tool to automatically generate explanation for the reasoning process.
Keywords: Expert systems, Explanation, Knowledge engineering, Plant protection
EXTENSION of the file: .pdf
Special (Invited) Session: AESGT extension to support explanation facilities that answers How, and Why Asking types of question
Organizer of the Session: 606-204
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