Summarizes the best known methods of using the signature file access method as a storage structure in information retrieval in nonbusiness applications of multimedia data. The relationships between application area, type of data, and signature file organization are emphasized. Results are summarized in a selection guide. (Contains 26 references.)…

Argues that the selection of a database is a significant factor in the success and cost effectiveness of an online search, and provides guidelines for determining whether the content of a database is relevant for a particular search and whether the database is accessible, affordable, and suitable for the search. (LAE)

Describes the methodology and results of the log analysis for the Alcohol Studies Database (ASDB), a domain-specific database supported by the Center of Alcohol Studies at Rutgers University Libraries. The objectives were to better understand user search behavior, to analyze failure rates, and to develop approaches for improving the user…

Discusses the use of natural language processing to help organize multimedia data. The MARIE system, which uses captions to embody the classificatory information and heuristic advice necessary to search a database of photographs, is explained. Advantages include improved speed of access and the ability for improved user interaction. (Contains 21…

Currently available World Wide Web search engines determine a site's qualification as a response to a search request by matching keywords in the request to keywords representing the site. The returned sites are given a score and ranked according to the match on keywords. Many of these retrieved sites can be irrelevant to the user's true…