PROBLEM TO BE SOLVED: To extract users seemingly related in business or otherwise to a searching user without requiring voluntary work by any user.;SOLUTION: A social map preparing system architected within a prescribed organization accumulates contents of an access log that represents a history of information items each user has browsed in accessed sites. On the basis of the access log, a first table in which information for identifying each individual user is associated with information for locating the sites accessed by the individual user is prepared. When a search request from a first user is accepted, the first table is searched with information for identifying the first user being used as the search key, a second user having accessed a site accessed with the search key is specified, and information for identifying the specified second user is extracted. The extracted information for identifying the second user is notified to the first user.;COPYRIGHT: (C)2013,JPO&INPIT
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