Discusses the distinctive differences between the English and Chinese languages from the system designer's point of view and explores the potential problems for Chinese information retrieval systems, focusing on character entry and retrieval. The advantages and disadvantages of current approaches are discussed, and a regular expression search…

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)

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)

Discusses the need to teach undergraduate students the critical thinking processes necessary to formulating and researching a topic, rather than the technicalities of online catalogs. The development and design of an online catalog at Dickinson College, which forces students to make informed choices throughout the search process, is described.…