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Conference Tutorial
Information Retrieval in a World of Scattered Information Sources by Paul Nieuwenhuysen, Vrije Universiteit Brussel, Belgium
Abstract
Information sources are scattered throughout the Internet and WWW; this hinders finding and using information. Therefore, methods and techniques to cope with this reality have been developed at the level of system creators. Two techniques are mainly used: on the one hand aggregating smaller sources in a bigger searchable database and on the other hand federated searching through several existing database in one simultaneous action. Concrete applications that can be exploited by end-users are presented. For the two approaches we outline limitations, concerns, advantages and disadvantages.
Bio
Since 1983, Paul Nieuwenhuysen is a full-time member of the academic staff at the Vrije Universiteit Brussel, nowadays as professor. His functions include:science and technology librarian in the University Library, as well as teaching courses on online information retrieval and presentation. At the University of Antwerp inter-university postgraduate programme in Information and library science, he is guest professor responsible for courses on information technology and on the information market. At the University of Antwerp he received the degrees of Licentiaat in Physics in 1974, Doctor in Science in 1979, the Belgian post-doctoral degree (named Geaggregeerde voor het Hoger Onderwijs) in 1983, and the inter-university postgraduate degree in Documentation and library science in 1986. He has organized international training courses on management of information in science and technology and is promoter of a co-operation project with the National Agricultural Library of Tanzania. He is author or co-author of more than 30 refereed publications in international scientific/technical journals, he is a member of several societies and of the editorial board of 4 journals in the area of information science, and he has been a consultant for various international agencies.
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