A Computer Intermediary for Interactive Database Searching. I. Design

Charles T. Meadow, Thomas T. Hewett and Elizabeth S. Aversa

Journal of the American Society for Information Science, 1982, vol. 33, issue 5, 325-332

Abstract: This is the first of two articles that report on the development, testing, and evaluation of the Individualized Instruction for Data Access System (IIDA). IIDA is an ex. ample of a class of computer systems which serve as intermediaries, enabling their users to perform a complex task on another computer, and which are coming to be known as expert systems. The system was designed to encourage end users of information retrieval systems to perform their own searches by (1) instructing them in how to search, using computer‐assisted instruction, and (2) assisting with the performance of the search by providing diagnostic analyses of the users' performance as well as answering their questions about how to use system commands. The system's design is described, as well as the various tests of its performance and the evaluation of test results. The conclusion is drawn that end users can become successful searchers through such an assistant, for the kinds of searches tested.

Date: 1982
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