1. The users
Following the chronology of developments in scientific and technical databases, the emphasis has been placed on one or other of the operators: first on the server for consistent access to a large volume of data, then on the producer for data ownership and responsibility.
Today, it seems more coherent to begin this study of databases with the users on whom consumption, and therefore the existence of information systems, depend, then to continue this practical approach with the hardware used and the networks traversed 2
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The users
The networks
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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