To calculate and output degree information of information sharing between users on the basis of a relevance degree between documents accessed by the mutual users.
A node management table 2 manages the plurality of documents associatively to each node according to the relevance degree, and access log management means 1 associates and manages identification information of the user accessing the node and identification information of the node. When an input means 3 receives designation of a plurality of analysis target users, a node specification means 5 specifies the node accessed by each of the analysis target users in reference to an access log management means 1, an information sharing degree calculation means 6 calculates the degree information of the information sharing between the analysis target users based on a distance between the nodes accessed by one analysis target user and the other analysis target user, and an output means 7 outputs the calculated degree information of the information sharing between the respective analysis target users.
COPYRIGHT: (C)2007,JPO&INPIT
Takashi Sonoda
Masakazu Fujimoto
Nobuhiro Yamazaki
Noriyuki Kurabayashi
Yuichi Ueno
Atsushi Ito
| JP2003178093A | ||||
| JP2005301765A |