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Shaw, W. M., Jr. – Information Processing and Management, 1990
These two articles discuss clustering structure in the Cystic Fibrosis Document Collection, which is derived from the National Library of Medicine's MEDLINE file. The exhaustivity of four subject representations and two citation representations is examined, and descriptor-weight thresholds and similarity thresholds are used to compute…
Descriptors: Citation Indexes, Citations (References), Cluster Grouping, Comparative Analysis
Russell, Robert Lowell, Jr. – 1999
This study tests for correlation between two journal ranking methods--citation rankings and expert opinion surveys. Political science professors from four major universities were asked to rank a list of the 20 most highly cited political science journals. Citation data were taken from the "Social Sciences Citation Index Journal Citation…
Descriptors: Attitude Measures, Citation Analysis, Citation Indexes, Citations (References)