Electronic catalog uitilization system for enabling creation/recovery of partial set of electronic catalog and free devision of electronic catalog

摘要

An electronic catalog utilization system capable of enabling a free division of the electronic catalog as well as creation and recovery of the partial sets. A user catalog generation unit configured to generate a user electronic catalog by extracting a partial set of the catalog data and/or the dictionary information selected from the electronic catalog, according to a request from a user, is provided either at a supplier side device or a user side device. The user electronic catalog can then be provided to the user by dividing the partial set into a plurality of distribution files while generating a complementary data for complementing the partial set divided over the plurality of distribution files.