Discusses database interfaces and explains that collaboration is an important aspect of searching online information retrieval systems that requires explicit computerized support. Collaboration in physical and in digital libraries is discussed and an example of a system that supports collaboration between browsers, ARIADNE, is described. (105…

Describes the MultiText information retrieval system that finds arbitrary passages of text, as opposed to complete documents, that are likely to be relevant. Discusses relevance ranking, term expansion, interactive user interface, and distributed searching used in experiments for TREC-6 (Text Retrieval Conference) in the ad hoc, high precision,…

Discusses a user interface that simplifies NF Squared (non-first-normal-form) relational query formulation in which query specification remains compact and straightforward. This interface allows for nesting and general hierarchical structures and restructuring which provides for more effective retrieval and query formulation. (Author/JKP)

Examines the effects of database assistance on clinical problem solving across three cohorts of medical students and two database interfaces. Discusses the relationship between personal domain knowledge and problem solving, personal domain knowledge and database searching, and comparisons of different interface styles in information retrieval…

This study uses the human approach to examine the sources and effectiveness of search terms selected during 40 mediated interactive database searches and focuses on determining the retrieval effectiveness of search terms identified by users and intermediaries from retrieved items during term relevance feedback. (Author/JKP)