SYSTEM AND METHOD WHICH GRADE, ESTIMATE AND SORT RELIABILITY ABOUT DOCUMENT IN HUGE HETEROGENEOUS DOCUMENT SET

摘要

PROBLEM TO BE SOLVED: To provide a system and a method for determining the reliability of a document, on the basis of a clue from a main body, instead of a topic. SOLUTION: The method determines the reliability of a document having two or more document content characteristics. This task is solved by a reliability determination method, for a document, which includes: a step S240 which determines a document content characteristic value group; and a step S260, which uses an accomplished document main body reliability model and determines the reliability of a document, on the basis of the document content characteristic value group which has been determined. COPYRIGHT: (C)2004,JPO