Explores the potential usefulness of the Library of Congress Classification (LCC) system as a tool in online retrieval. Unique features of LCC are described and a theoretical analysis of its potentials and limitations in terms of subject browsing, enhanced vocabulary, and class number searching are presented. (CDD)

Techniques for building a world-wide information infrastructure by reverse engineering existing databases to link them in a hierarchical system of subject clusters to create an integrated database are explored. The controlled vocabulary of the Library of Congress Subject Headings is used to ensure consistency and group similar items. Each database…

Describes the role of browsing in online searching and difficulties encountered in attempting to browse call number indexes. The discussion covers the benefits of clustering class number ranges and strategies for overcoming the major problems related to Library of Congress classification use in an online catalog. (11 references) (CLB)

The dilemma of cataloging works in writing systems other than the roman alphabet is explored. Some characteristics of these writing system are reviewed, and the implications of these characteristics for input, retrieval, sorting, and display needed for adequate online catalogs of such works are considered. Reasons why needs have not been met are…