Patent ID: 6918089

Claim:
A schedule management system including an internal server for a managing party and a public web server accessible by one or more managed parties, the internal server and the public web server being connected via a first network, the public web server and managed parties being connected via a second network, the system comprising: a schedule table provided on the internal server, the schedule table storing a schedule created by the managing party; a common schedule table provided on the public web server, the common schedule table storing the schedule transferred from the internal server via the first network enabling means provided on the public web server for enabling the managed parties to refer to the schedule stored in the common schedule table via the second network; receiving means provided on the public web server, the receiving means receiving modification data addressed to the public web server from one or more of the managed parties via the second network; an input database provided on the public web server for storing the modification data; and extracting means provided on the public web server for extracting from the input database the modification data for transfer thereof to the internal server via the first network; wherein the internal server is configured to: receive the modification data from the public web server; modify the schedule stored in the schedule table with the modification data; and transfer the modified schedule to the common schedule table, wherein the internal server is further configured to reject data addressed to the internal server from the managed parties.