PROBLEM TO BE SOLVED: To provide a directory information management system capable of eliminating the need for a directory client to change the settings of a directory server.;SOLUTION: The directory information management system 10 shown in Figure 1 manages directory information such as user information and service information on the Internet. The directory information management system 10 has a directory server 11 that manages the directory information and a plurality of directory clients 12, 13, ... connected to the directory server 11. The directory server 11 is connected to the Internet 50. When combinations of query attributes A, PTR, ... and query character strings (kaisha. co. jp, 17.20, ...) exist in a directory server definition table as shown in Figure 3, the directory client 12 makes an inquiry while automatically designating directory servers 21, 31 defined on the directory server definition table.;COPYRIGHT: (C)2005,JPO&NCIPI
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