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Web Communities: Analysis and Construction

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The rapid development of Web technology has made the World Wide Web an important and popular application platform for disseminating and searching information as well as conducting business. However, due to the lack of uniform schema for Web documents, the low precision of most search engines and the information explosion on the World Wide Web, the user is often flooded with a huge amount of information.

Unlike the conventional database management in which data models and schemas are defined, the Web community, which is a set of Webbased objects (documents and users) that has its own logical structures, is another effective and efficient approach to reorganize Web-based objects, support information retrieval and implement various applications. According to the practical requirements and concerned situations, the Web community would appear as different formats.

This book addresses the construction and analysis of various Web communities based on information available fromWeb, such as Web document content, hyperlinks, semantics and user access logs. Web community applications are another aspect emphasized in this book. Before presenting various algorithms, some preliminaries are provided for better understanding of the materials. Representative algorithms for constructing and analysing various Web communities are then presented and discussed. These algorithms, as well as their discussions, lead to various applications that are also presented in this book. Finally, this book summarizes the main work in Web community research and discusses future research in this area.

About the Author
Dr. Yanchun Zhang is Associate Professsor and the Head of Computing Discipline in the Department of Mathematics and Computing at the University of Southern Queensland. He obtained PhD degree in Computer Science from the University of Queensland in 1991. His research areas cover databases, electronic commerce, internet/web information systems, web data management, web search and web services. He has published over 100 research papers on these topics in international journals and conference proceedings, and edited over 10 books/proceedings and journal special issues. He is a co-founder and Co-Editor-In-Chief of World Wide Web: Internet and Web Information Systems and Co-Chairman of International Web Information Systems Engineering Society. Dr. Jeffrey Xu Yu received his B.E., M.E. and Ph.D. in computer science, from the University of Tsukuba, Japan, in 1985, 1987 and 1990, respectively.
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