SIMILARITY EVALUATION TYPE DATA BASE RETRIEVAL DEVICE

摘要

PURPOSE: To provide a similarity evaluation type data base retrieval device capable of extracting data which is as similar as possible to a retrieval key word set based on the similarity between the retrieval key word set and an attribute key word set even when the sets are not completely coincident each other. ;CONSTITUTION: A comparing and extracting part 2 compares the retrieval key word set inputted from the key board of a retrieval use terminal equipment 6 with the attribute key word set stored in a data base 1 and extracts the feature of a character string, a similarity evaluating part 3 evaluates the similarity between both key word sets based on the feature and a data extracting part 4 extracts data similar to the retrieval key word set from the data base 1 based on the similarity.;COPYRIGHT: (C)1994,JPO