Investigates problems of using commercial search engines for Web-based research. Findings indicate that search engines are highly variable in their results, are limited in the search functions they offer, have poorly and/or incorrectly documented functions, use search logics that are opaque, and change search functions they offer over time.…

Presents and discusses the results of research into similarity measures for search request formulations which employ Boolean combinations of index terms. The use of a weighting mechanism to indicate the importance of attributes in a search formulation is described. A 16-item reference list is included. (JL)

Considers classifications produced by application of single linkage, complete linkage, group average, and word clustering methods to Keen and Cranfield document test collections, and studies structure of hierarchies produced, extent to which methods distort input similarity matrices during classification generation, and retrieval effectiveness…

Reports experimental results of a study of the cognitive aspects of information retrieval which focused on user interaction with document organization, user-librarian negotiation, and the librarian's search procedure. Related studies, the cognitive viewpoint, and experimental design and analysis methods are discussed. Forty-two sources are listed.…

Reports on methodology and results of design study for an interactive information retrieval system funded by British Library Research and Development Department which will determine structural representations of anomalous states of knowledge (ASKs) underlying information needs. Problem statements, abstracts used, and text analysis are highlighted.…

Describes quantitative and qualitative research that investigated students' perceptions of the library service at the University of Sussex (England). Highlights include results of a user survey regarding the reserve collection, user interviews and the software package used to analyze them, and types of student searching. (Author/LRW)

Description of classification schemes for fiction book retrieval covers traditional methods, universal systems, special systems, genre systems, and development of the AMP-classification system based on multidimensional analysis of users' requests (subject matter, setting, author's intention, accessibility). Trial applications and retrieval tests,…