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Extending the Dewey Decimal Classification via Keyword Clustering: The Science Library Catalog Project.
Rosenberg, Jason B.; Borgman, Christine L. – Proceedings of the ASIS Annual Meeting, 1992
Discusses the Science Library Catalog, an online catalog intended for use by children at the Los Angeles Public Library, and describes the process of reorganizing the MARC-based database by using clustering algorithms to extend the Dewey Decimal Classification. Examples of screen displays are included. (18 references) (LRW)
Descriptors: Algorithms, Bibliographic Databases, Children, Childrens Libraries
Comparing Words, Stems, and Roots as Index Terms in an Arabic Information Retrieval System.
Peer reviewed Peer reviewed
Al-Kharashi, Ibrahim A.; Evens, Martha W. – Journal of the American Society for Information Science, 1994
Describes experiments in Arabic information retrieval using 29 queries against a base of 355 bibliographic records. Using roots and stems as index terms worked better than words, and the root performed as well as or better than the stem at low recall levels and definitely better at high recall levels. (Contains 30 references.) (KRN)
Descriptors: Algorithms, Arabic, Bibliographic Databases, Comparative Analysis