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Lotka's Law: A Testing Procedure.
Peer reviewed Peer reviewed
Pao, Miranda Lee – Information Processing and Management, 1985
A step-by-step outline is presented for testing the applicability of Lotka's law of scientific productivity. Steps include the computation of the values of the exponent and constant based on Lotka's method and the test for significance of observed frequency distribution against the estimated theoretical distribution derived from Lotka's formula.…
Descriptors: Authors, Data Collection, Evaluation Methods, Indexes
Thesaural Relations in a Concept-Network Management System for Customizing of Permuted Index Displays.
Peer reviewed Peer reviewed
Craven, Timothy C. – Information Processing and Management, 1984
Describes three major features of treatment of paradigmatic thesaural information in microcomputer-based concept network management system: use of simple graphic displays of thesaural or paradigmatic information (linktypes); use of thesaural information to generate indirect entries; capability of customizing index displays, including thesaural…
Descriptors: Databases, Display Systems, Information Retrieval, Information Systems
Term Co-Occurrence in Cited/Citing Journal Articles as a Measure of Document Similarity.
Peer reviewed Peer reviewed
Trivison, Donna – Information Processing and Management, 1987
Describes study that compared terminology indexing and citation indexing to determine the similarity of documents retrieved. Information science articles from 1971 to 1983 in three journals were studied for term co-occurrences. The distinction between relevant and pertinent documents is discussed, and further research topics are suggested. (LRW)
Descriptors: Bibliographic Coupling, Citation Indexes, Comparative Analysis, Indexing