Search (4 results, page 1 of 1)

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Abstract

The report describes an evaluation conducted at the Library of the Health Sciences, Univ. of Illinois College of Medicine at Rockford, of KnowledgeFinder, a CD-ROM MEDLINE product. The evaluation was conducted in two stages. The first stage was designed primarily to determine who used KnowledgeFinder and how it was used. A secondary objective was to explore certain aspects of the user interface that are unique to KnowledgeFinder. In the second stage, the KnowledgeFinder was installed in a clinical setting

Source

MEDLINE on CD-ROM: National Library of Medicine, evaluation forum, Bethesda, Maryland, 23.9.1988. Ed.: R.M. Woodsmall et al

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Date

22. 7.2006 18:43:54

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Abstract

State of the art review of database access system focusing on end user access to databases. Covers the period from 1987, when CD-ROM databases began to be introduced, through 1993, as locally mounted databases and Internet access came into play. Covers: the end user interface; database selection; management of database access; searching and use and economics of database searching; and improving end user searching

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Abstract

One of the problems in information retrieval (IR) research is that few of the non-Boolean features of experimental systems developed by IR researchers have been adopted in commercially available systems which can be evaluated using real users with actual information needs. Without the opportunity to examnine how these features perform with actual bibliographic files and how they affect users in their information-seeking tasks, our understanding of information retrieval remains limited, and system development fails to advance. The research describes here compared two CD-ROM MEDLINE systems for the Macintosh, one of which incorporates many of the features previously identified by research as central to sound and innovative IR design such as: elimination of the need for Boolean logical connectors, acceptance of a natural language query, and ranked output. The other is more traditional in its design. Two groups of search topics selected from the National Library of Medicine's test queries in clinical medicine were searched using both a natural language strategy and a strategy based on MeSH vocabulary. results were compared on the following variables: search input and processing times, set size, overlap between sets produced by the two systems, and evaluative judgements made by subject experts. The findings indicate the these systems differ on these dimensions, and greater variance occurs in the natural language searches