SEARCH DEVICE, SEARCH INDEX CREATING DEVICE, AND SEARCH SYSTEM

摘要

A search device comprises: a partial character string extracting section (22) for acquiring a partial character string for search from an inputted search query; a partial character string search section (23) for acquiring candidate name text and information on the positions at which the partial character strings in the candidate name text appear on the basis of the partial character string for search; a candidate tallying section (24) for matching so that the positions at which the partial character strings of the candidate name text appear do not overlap on one another in consideration of the information on the positions at which the partial character strings appear for each candidate name text and tallying the matched score; a presentation candidate selecting section (25) for determining presentation candidates on the basis of the matched score; and a candidate presentation section (26) for presenting the presentation candidates.