This review of the Keyword-in-Context (KWIC) indexing considers its inception by Luhn, its original format and purpose, various applications and uses of the basic KWIC concept, its advantages and disadvantages, and evaluations of its effectiveness. (30 references) (Author/NH)

Specific aspects of the thesaurus treated in this brief review are: thesaurus as a concept, classification and structure, and language compilation and control. (75 references) (NH)

A transformational model offers a way to eliminate the middleman (programmer) in acccessing a computerized data base. It provides a basis for the algorithms which analyze the input query. The linguistic analysis of the sentence string is translated into system terms and the required operations are carried out. (28 references) (Author/NH)

Computerization seems to offer some solutions to the inadequacies of the card catalog. However, vocabulary obstacles must be overcome before the history, art history, and art students alike can enter libraries all over the world and quickly satisfy their various needs. (10 references) (Author/NH)