Patent ID: 6341283
Filing Date: 2002-01-22
Classification: G06K,Y10S

Abstract:
An apparatus for data decomposition that extracts partial data from whole data by selecting, with respect to each record and from data which catalog a plurality of attributes possessed by each record, a combination of each event corresponding to each record and a combination of feature quantities, which are said attributes, comprising:a unit figuring evaluation values that become standards for ascertaining a relevance among data with respect to combinations of specific features and combinations of specific events; and a unit extracting a plurality of partial data for which an evaluation value becomes a maximum value with respect to both changes in combinations of features and changes in combinations of events, wherein the evaluation values are figured by including a selected event count, a total segment count in partial feature spaces that are to be selected, and a selected segment count in the partial feature spaces that are to be selected.