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Peer reviewedGrzelak, Hanna; Kowalski, Kazimierz – Information Processing and Management, 1983
Presents methods of information query building in selective dissemination of information systems based on user's publications and examines possible compatibility between user's information queries and his publications. Methods of information query construction determined by logical operators AND, OR, NOT and set of weighted keywords are described.…
Descriptors: Algorithms, Information Needs, Information Retrieval, Information Seeking
Peer reviewedKowalski, Kazimierz; Zgrzywa, Aleksander – Information Processing and Management, 1982
Results of investigation of exploitation costs of INSPEC database in selective dissemination of information service are presented. Parameters which influence exploitation costs--time spent looking for information, information query length, number of answers, time spent modifying user's query, and amount of modification--are analyzed. Six…
Descriptors: Academic Libraries, Cost Effectiveness, Costs, Databases
