RETRIEVAL SYSTEM, SEARCH TERM DICTIONARY GENERATION DEVICE, PROGRAM, STORAGE MEDIUM, AND SEARCH TERM DICTIONARY GENERATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a retrieval system, search term dictionary generation device, program, storage medium and search term dictionary generation method capable of enhancing retrieval efficiency.;SOLUTION: A retrieval system comprises a database server 10 for storing data, a collection unit 211 for collecting data from the database server 10, and an index generation unit 213 for generating an index in which a keyword used for retrieval within the retrieval system and property information designating at least one of inside of the retrieval system and outside of the retrieval system as a target of retrieval are associated with each other on the basis of the collected data, and for registering the index in an index storage unit 205.;COPYRIGHT: (C)2014,JPO&INPIT