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Chan, L.M.; Mitchell, J.S.: Dewey Decimal Classification : principles and applications (2003) 0.02

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Object: DDC-22

Hodges, T.L.; Chan, L.M.: Subject cataloging principles and systems (2009) 0.02
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Abstract

After an introduction that addresses the means people use to search for information, this entry articulates the principles underlying various subject access options, including both controlled vocabulary systems and classification. It begins with a brief history of subject access provisions, including an account of the impact of automation, and goes on to discuss in some detail the principles underlying American library practice in respect to subject access. It then, briefly, describes selected subject-access schemes (including both subject heading lists and classification systems) in terms of how they reflect the principles presented, and how well they fulfill their stated functions.

Chan, L.M.: Library of Congress Subject Headings : principles and application (1995) 0.01

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Date: 25.11.2005 18:37:22

Yi, K.; Chan, L.M.: ¬A visualization software tool for Library of Congress Subject Headings (2008) 0.01
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Content

The aim of this study is to develop a software tool, VisuaLCSH, for effective searching, browsing, and maintenance of LCSH. This tool enables visualizing subject headings and hierarchical structures implied and embedded in LCSH. A conceptual framework for converting the hierarchical structure of headings in LCSH to an explicit tree structure is proposed, described, and implemented. The highlights of VisuaLCSH are summarized below: 1) revealing multiple aspects of a heading; 2) normalizing the hierarchical relationships in LCSH; 3) showing multi-level hierarchies in LCSH sub-trees; 4) improving the navigational function of LCSH in retrieval; and 5) enabling the implementation of generic search, i.e., the 'exploding' feature, in searching LCSH.

Chan, L.M.; Hodges, T.: Entering the millennium : a new century for LCSH (2000) 0.01

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Date: 27. 5.2001 16:22:21

O'Neill, E.T.; Chan, L.M.; Childress, E.; Dean, R.; El-Hoshy, L.M.; Vizine-Goetz, D.: Form subdivisions : their identification and use in LCSH (2001) 0.01

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Date: 10. 9.2000 17:38:22

Chan, L.M.; Hodges, T.L.: Library of Congress Classification (LCC) (2009) 0.01

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Date: 27. 8.2011 14:22:42

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