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Automatic Construction of Information Queries.
Peer reviewed Peer reviewed
Grzelak, 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
Exploitation Characteristics of the INSPEC Data Base in the SDI System at the Technical University of Wroclaw.
Peer reviewed Peer reviewed
Kowalski, 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
The Yield of Bibliographic Databases.
Peer reviewed Peer reviewed
Kowalski, Kazimierz; Hackett, Timothy P. – Library and Information Science Research, 1992
Demonstrates a means for estimating the number of retrieved items using well-established selective dissemination of information (SDI) profiles in the SCI, INSPEC, ISMEC, CAS, and PASCAL databases. A correlation between individual database size and number of retrieved documents in technical fields is also examined. (17 references) (LAE)
Descriptors: Bibliographic Databases, Comparative Analysis, Correlation, Information Retrieval