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Tenopir, Carol; Berglund, Sharon – Database, 1993
Examines the similarities, differences, and full-text features of the three most-used online systems for full-text searching in general libraries: DIALOG, Data-Star, and NEXIS. Overlapping databases, unique sources, search features, proximity operators, set building, language enhancement and word equivalencies, and display features are discussed.…
Descriptors: Comparative Analysis, Full Text Databases, Graphs, Online Searching
Peer reviewedWiedemer, John David; Boelio, David B. – CD-ROM Professional, 1995
Compares compact discs (CD-ROMs) and online services in terms of cost of information delivery; system advantages and disadvantages; future possibilities; and role in the National Information Infrastructure. Analysis reveals that CD-ROMs have the lowest information delivery cost and are endorsed by the marketplace as a cost-effective way to deliver…
Descriptors: Comparative Analysis, Cost Effectiveness, Evaluation Methods, Futures (of Society)
