CITATION ANALYZER AND CITATION ANALYTICAL PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide technology for analyzing influence of a document created by a certain person on a document created by another person.;SOLUTION: A classification part 12 classifies a patent document to be analyzed into a plurality of patent document groups. An analytical preparation processing part 13 extracts information about citation of the document from a document management part 11, to prepare analytical data, for each of the patent document groups classified. An index calculation processing part 14 calculates a ratio of the patent document different in an applicant from the target patent document in the other patent document citing the target patent document, for each patent document included in the patent document groups, based on the analytical data of each patent document group, obtains calculated values for each applicant of the target patent document, and calculates thereby an index value of each applicant for each patent document group. An index presenting part 15 presents information based on the index value of a calculation result.;COPYRIGHT: (C)2010,JPO&INPIT