Discusses online search techniques that can be used to identify inaccuracies and inconsistencies in records of online and CD-ROM databases. Methods that can be used to sample a database for errors in descriptor, name, or coded fields are described, including browsing, matching, looking up cross-references, and searching for implausible record…

Reviews the literature on the content aspects of database quality, specifically scope, composition, currency, accuracy, consistency, completeness, and source, journal, geographic, language, and time-period coverage. These criteria can be evaluated qualitatively and/or quantitatively to determine the profile of a database, and to ascertain search…

This study examined the use of advanced search commands and the Journal Name Finder database of DIALOG to simplify collection and processing of posting information for 42 library and information science serials (1966-1996) in six databases. Presents types of deficiencies in journal coverage that may yield incomplete search results and distort…

Discussion of quality control in online and CD-ROM databases focuses on the problem of data elements that are omitted from records. Completeness testing is discussed; search strategies are described; and a case study of Bowker's Video Directory, part of the Children's Reference Plus database, is presented. (eight references) (LRW)

Explains desktop metasearch engines, which search the databases of several search engines simultaneously. Reviews two particular versions, the Copernic 2001 Pro and the BullsEye Pro 3, comparing costs, subject categories, display capabilities, and layout for presenting results. (LRW)