COMMUNITY SYSTEM, ACTIVITY RECORDING METHOD FOR COMMUNITY SYSTEM, AND PROGRAM FOR ACTIVITY RECORDING OF COMMUNITY SYSTEM

摘要

PROBLEM TO BE SOLVED: To handle indices of a plurality of activities, in a unified manner, such as writing of a blog, reading of a news, and reading of a massage in an online community such as an SNS.;SOLUTION: The actions of a single or a plurality of users online are accumulated together with text information used in accordance with the actions, to generate data used for extracting and matching taste. Thus, analyzing of action/taste of a user which has been performed based on one-dimensional information so far can be performed from two observation points, or action and taste, or from the observation point of integration of them, allowing analysis of action/taste with more information quantity. The data format by which the action of user along with text information are accumulated is called as action matrix for convenience. The action matrix is such a matrix as consists of action of a user and a keyword extracted from the text used with the action. In each element, a value based on the appearance frequency of keywords accumulated upto a certain time point is inputted.;COPYRIGHT: (C)2009,JPO&INPIT