Salvato in:
| Autori principali: | , |
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| Natura: | Recurso educativo Open Access |
| Lingua: | en |
| Pubblicazione: |
1997
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| Soggetti: | |
| Accesso online: | https://eric.ed.gov/?id=EJ546201 |
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Sommario:
- The Data Dealers. Tenopir, Carol Barry, Jeff Comparative Analysis Computer Software Evaluation Costs Database Producers Databases Document Delivery Information Industry Information Networks Information Services Online Systems Online Vendors Optical Data Disks Tables (Data) World Wide Web Profiles 25 database distribution and production companies, all of which responded to a 1997 survey with information on 54 separate online, Web-based, or CD-ROM systems. Highlights increased competition, distribution formats, Web versions versus local area networks, full-text delivery, and pricing policies. Tables present a sampling of customers by library type and comparisons of services offered. (AEF)