Friday 29th of March 2024
 

Developing Web-Based Semantic Expert Systems


Mostafa Nofal and Khaled M. Fouad

Expert systems have provided solutions to different problems, from strategic planning of marketing to consulting in process re-engineering. In general, the majority of studies published are based on advanced techniques of artificial intelligence, using specific languages or tools that require certain knowledge of reasoning processes to model information. With the advent of the Internet and its evolution, web-based expert systems have become very important. Moreover, the arrival of web-based expert systems that can connect to the Internet has made it easy to access information from any place at any time, creating new requirements for web systems. In this research, a tool is proposed for development of web-based expert systems and utilizes Semantic Web technology which permits the knowledge engineer and domain expert to define the knowledge without having to know anything about programming languages and artificial intelligence. The proposed tool enables the knowledge engineer to insert and update the domain knowledge; facts and rules. The facts of the knowledge can be annotated using the semantic concepts and relations found in WordNet ontology. The tool can induce new rules based on the annotated semantic concepts and relations. Using Semantic Web technology supports the tool to utilize the ontology as knowledge formalization. Using the proposed tool, the Web-based expert system can be developed simply and takes short time by using its knowledge base, inference engine and Web-based user interface.

Keywords: Expert System, Expert system tool, WordNet, Knowledge base

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ABOUT THE AUTHORS

Mostafa Nofal
In 1991, he received his Ph. D. in Wireless Networks from Menoufia University, Egypt in collaboration with Dept. of Electronics and Computer Science, Southampton University, UK. From 1981 to 1986, he was a demonstrator at Faculty of Electronic Engineering, Menoufia University, Egypt. From 1986 to 1989, he was an assistant lecturer. From 1989 to 1991, he was a Ph.D. candidate at Dept. of Electronics and Computer Science, Southampton University, UK, where he was conducting research on wireless networks. In 1994 and 1999 he was a visitor professor and consultant in Southampton University, UK. His research interests include wireless networks, data security, satellite communications and computer networks.

Khaled M. Fouad
has received his PhD and Master degree of AI, and expert systems in of computer engineering from the faculty of engineering AlAzhar University in Egypt. He is working now as lecturer in Benha university in Egypt. His current research interests focus on semantic web, text mining, clustering and expert systems.


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