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The Simon-Yule Approach to Bibliometric Modeling.
Peer reviewed Peer reviewed
Chen, Ye-Sho; And Others – Information Processing and Management, 1994
Investigates the relationships between the parameters of the Simon-Yule model and the shapes of three bibliometric distributions: Lotka's Law of Scientific Productivity; Bradford's Law of Bibliometric Scattering; and Zipf's Law of Word Frequency. The results indicate that the probability of a new entry determines the characteristics of all three…
Descriptors: Bibliometrics, Information Science, Information Utilization, Mathematical Formulas
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