| 摘要 |
A condition matching system is provided which can specify users who match predetermined conditions, in the state where various categories of user information are held decentrally, while suppressing processing load and network load. User ID supplying means 91 stores user ID transmission status information indicating which user's user ID has been transmitted to which condition matching device. Linked conditional matching means 93 causes user ID selecting means 94 to select a user ID of any user having his/her user IDs transmitted respectively to condition matching devices 90 that received conditions from condition designating means 92. In response to a request from the linked conditional matching means 93, the user ID selecting means 94 selects user IDs on the basis of the user ID transmission status information. The linked conditional matching means 93 uses the user IDs to cause the respective condition matching devices 90 to sequentially narrow down the users who meet the conditions.
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