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A Comparison of Term Value Measurements for Automatic Indexing

Author
Salton, Gerard
Abstract
A number of automatic theories have been proposed over the last few years leading to the assignment of significance values to linguistic entities in accordance with their importance for purposes of content representation. Among these are methodologies based on decision theory, information theory, communication theory, vector space transformation and others. An attempt is made to compare these theories by exhibiting the formal frequency characteristics which underlie them. The effectiveness of the various approaches is also evaluated in experimental situations by using collections of documents in the areas of aerodynamics, medicine and world affairs.
Date Issued
1975-11Publisher
Cornell University
Subject
computer science; technical report
Previously Published As
http://techreports.library.cornell.edu:8081/Dienst/UI/1.0/Display/cul.cs/TR75-262
Type
technical report