WORD SPOTTING INFORMATION RETRIEVING DEVICE, AND METHOD AND PROGRAM FOR REALIZING WORD SPOTTING INFORMATION RETRIEVING DEVICE

摘要

PROBLEM TO BE SOLVED: To solve the problem that a user has to input a keyword by voice again when an inputted keyword can not be correctly recognized and when a needed keyword is wrong or missing.;SOLUTION: Information considered to be the closest to information desired by the user can be retrieved by performing weighting in each type of a keyword to calculate the score value of the certainty of information including even one keyword even though a portion of keywords is wrong or missing among extracted keywords.;COPYRIGHT: (C)2002,JPO