INFORMATION RETRIEVAL METHOD, INFORMATION RETRIEVAL DEVICE, RECORDING MEDIUM WITH INFORMATION RETRIEVAL PROGRAM RECORDED THEREON AND RECORDING MEDIUM WITH REGISTERED ADDRESS RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To make it possible to perform a site search, targeting only at Web sites that have been registered previously. SOLUTION: A pair of a piece of address data transmitted from a user and a piece of search target data are received, the piece of the address data is compared with a registered address that has been registered previously, and the matching portion is extracted as a site address, so that a search is performed only within the range related to the site address using the search target data.