Local query extraction apparatus, local query extraction program, and local query extraction method

摘要

PROBLEM TO BE SOLVED: To precisely extract a local query while making the cost low.;SOLUTION: A local query extraction device 1 includes a retrieval log storage part 10 which stores a retrieval log; a user data storage part 20 which stores user data; a metadata storage part 30 which stores position information and metadata; a retrieval log-side addition part 40 which extracts position information stored in the metadata storage part 30 based upon metadata included in the retrieval log, and relates the extracted position information to the retrieval log; a user data-side addition part 50 which extracts position information stored in the metadata storage part 30 based upon metadata included in user data, and relates the extracted position information to the user data; and a local query extraction part 60 which extracts a local query by collating the position information related to the retrieval log with the position information related to the user data.;COPYRIGHT: (C)2012,JPO&INPIT