Information search system

Abstract

Provided is an information search system by which high-speed search is possible commonly used across a plurality of districts, the system including: a database () that stores a plurality of pieces of information that are text-searchable; a query sentence acceptance unit () that accepts a query sentence; an inputted search keyword extractor () that extracts an inputted search keyword from the query sentence; a retrieval executor () that executes retrieval processing from the database using the inputted search keyword; a local management apparatus () that stores district material in a local database (); and an information management apparatus () that executes character extraction processing on the material stored in the local database and converts a file format of the material according to a size thereof, stores the material in a temporary memory as stored material, and outputs the stored material to the database.