This review of research that focuses on solutions to user interface problems in online search systems summarizes and compares the implications of studies in five categories: theoretical models, operating systems, individual cases, controlled experiments, and surveys. Forty-six references are cited. (SW)

Reviews studies of historical and current trends in the library location theory; the relationship between distance and library users and variables, including available transportation, use motivation, and community awareness; and public facility location models such as central place theory and elastic demand. Extensive references, four figures, and…

Presents literature review posing hypothesis: pattern of usage of library materials may be function of social stratification of scholarly activity. Concentration of scholarly productivity, articles on a subject in journals, citations, and library usage and citations as indicators of quality and library usage are discussed. A 115-item bibliography…

Reviews three types of online bibliographic retrieval studies: evaluation studies, including online service costs, manual versus online searching and vendor comparison; use and user studies, examining various populations; and projects designed to improve user access and user aids, such as vocabulary search aids and inter-system compatibility.…