Patent ID: 8122025

Claim:
A method of managing information locations of predetermined information existing on a network, comprising: reading a communication log of emails transmitted and received by a plurality of users within a predetermined time period; identifying an other-end party with whom a first user has performed transmission and reception of at least one first reciprocated pair of emails not less than a predetermined number of times; selecting the identified other-end party as an information acquisition destination when it is determined that the identified other-end party has performed transmission and reception of at least one second reciprocated pair of emails with a second user who belongs to a same group as the first user; extracting, in response to the selecting, key information related to a location of information at the information acquisition destination; and generating, based on the extracted key information, information location information indicating the location of the information at the information acquisition destination, and storing the information location information in a storage device, wherein the generating of the information location information includes acquiring an email address of the other-end party as the key information.