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Peer reviewed Peer reviewed
Watters, Carolyn; Wang, Hong – Journal of the American Society for Information Science, 2000
Discussion of electronic news available on the World Wide Web focuses on a methodology of associating news documents using similarity measures and a name-phrase algorithm to create news representations that can be compared and ranked to find related news items. Considers precision over recall and interactivity with the users. (Author/LRW)
Descriptors: Algorithms, Comparative Analysis, Measurement Techniques, Relevance (Information Retrieval)
Peer reviewed Peer reviewed
Davis, Charles H.; McKim, Geoffrey W. – Journal of the American Society for Information Science, 1999
Describes SWEAR (Systematic Weighting and Ranking), a powers-of-two algorithm that can be used for searching the World Wide Web or any large database that automatically creates discrete, well-defined result sets and displays them in decreasing order of likely relevance. Also discusses fuzzy sets. (Author/LRW)
Descriptors: Algorithms, Databases, Information Retrieval, Relevance (Information Retrieval)
Peer reviewed Peer reviewed
Chen, Hsinchun; Chung, Yi-Ming; Ramsey, Marshall; Yang, Christopher C. – Journal of the American Society for Information Science, 1998
This study tested two Web personal spiders (i.e., agents that take users' requests and perform real-time customized searches) based on best first-search and genetic-algorithm techniques. Both results were comparable and complementary, although the genetic algorithm obtained higher recall value. The Java-based interface was found to be necessary…
Descriptors: Algorithms, Artificial Intelligence, Computer Interfaces, Computer Software Evaluation