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Kim, Won; Wilbur, W. John – Journal of the American Society for Information Science and Technology, 2001
Presents three different statistical techniques for identifying content-bearing phrases within a natural language database. Describes results on the effectiveness of the scoring methods when applied to MEDLINE phrases, and how the three methods can be combined to improve performance. Processing results for an example document are provided.…
Descriptors: Data Processing, Databases, Document Delivery, Indexing
Peer reviewed Peer reviewed
Tunender, Heather; Ervin, Jane – Information Technology and Libraries, 1998
Character strings were planted in a World Wide Web site (Project Whistlestop) to test indexing and retrieval rates of five Web search tools (Lycos, infoseek, AltaVista, Yahoo, Excite). It was found that search tools indexed few of the planted character strings, none indexed the META descriptor tag, and only Excite indexed into the 3rd-4th site…
Descriptors: Access to Information, Automatic Indexing, Comparative Analysis, Computer Software Evaluation
Burnett, Jacquetta H., Ed. – 1972
The main purpose in developing the "package" of computer programs described in this guide is to use the automated capability of computers in the enormous job of handling anthropological field data. It is held that ethnography may be threatened with absolescence simply becasue so many man hours are involved in filing and sorting these…
Descriptors: Anthropology, Automatic Indexing, Computer Programs, Data Analysis
Salton, Gerard – 1974
The twenty-second in a series, this report describes research in information organization and retrieval conducted by the Department of Computer Science at Cornell University. The report covers work carried out during the period summer 1972 through summer 1974 and is divided into four parts: indexing theory, automatic content analysis, feedback…
Descriptors: Algorithms, Computer Programs, Computer Science, Content Analysis