7. Conclusion
At the end of this rapid overview of scientific and technical databases, which shows fundamental variations over the last few years, a few key points can be drawn from this profusion of new products.
End-user-oriented services. Initiated in France with videotex services in telematic kiosk access, this trend has been confirmed with high-speed services produced by producers for specific customer groups, with adapted pricing. This trend is linked to vertical concentration (a direct relationship between producer and user) and the development of intelligent services (e.g. natural language access).
Intelligent services. The continuous improvement of document software is complemented by service intelligence, added centrally or locally. Upstream, understanding the question expressed naturally,...
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Conclusion
Economic data
1. Costs and pricing of online databases
The costs of using online databases correspond to the various stages involved in accessing information: telephone network, teletransmission network(s), server and databases.
1.1 Telephone networks and remote transmission
Apart from the basic telephone network unit (0.73 F), teletransmission costs depend on the networks used, the duration...
Bibliography
References
Database directories
Gale Directory of Databases. Vol. 1: Online Databases. January 1997, Gale Research.
Répertoire des banques de données professionnelles. 15th edition, 1996, ADBS, Paris, 783 p.
Répertoire des banques de données Télétel pour l'entreprise....
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