Proposes an automated document classification system based on the Gray code, information-theoretic considerations, and requirements of classification systems including objectivity, inclusion, linearity, and increasing distance-dissimilarity. A measure to evaluate system performance is developed, and the proposed system is compared with the Library…

Discusses theoretical and practical progress made in the classification of information for retrieval in the last 20 years and suggests alternatives to the Dewey Decimal and Library of Congress classification systems. (JVP)

Authority records were compared for established headings that are identical in "Library of Congress Subject Headings" (LCSH, 18th edition) and "Moving-Image Materials: Genre Terms" (MIM). Both quantitatively and qualitatively, pairs of identical headings differ sufficiently from each other that the creation of authority records…

Describes and evaluates several fiction classification systems from the perspective of how well they answer likely reader queries regarding subjects of novels, and their utility for browsing. The usefulness of subject headings for card catalogs and print and online indexes to enhance topical access to fiction is discussed. (Author/MBR)

Reviews the 1990 literature that concerns subject analysis. Issues addressed include subject cataloging, including Library of Congress Subject Headings (LCSH); classification, including Dewey Decimal Classification (DDC), Library of Congress Classification, and classification in online systems; subject access, including the online use of…