Search device, non-transitory computer-readable recording medium in which search program is recorded, and search method

A non-transitory computer-readable recording medium on which is recorded a search program for causing a computer to function as:

• a memory device for correlating and storing keywords describing a product or service, the degrees of importance of those keywords and the locations of Web pages in which the products or services are described;
• a searching part for searching the location of the Web pages from the storage device based on a search query that is a keyword designated by a user and the degree of importance correlated to that keyword;
• an exhibiting part for exhibiting to the user a search results designating the location of the searched Web pages;
• and
• an updating part such that when information indicating that the user has an intent to purchase a first product or first service described in a Web page at the searched location and a second product or second service described in a Web page different from the Web page at the searched location before a prescribed period elapses from when the search query was designated by the user, the updating part sets the designated search query as a keyword describing the second product or the second service and updates the memory device by correlating and storing that keyword, the degree of importance of that keyword calculated by a prescribed statistical process and the location of a Web page in which the second product or the second service is described.

A search method executed by a search device comprising a searching part, an exhibiting part, and an updating part, this search method including:

• a searching step in which, the searching part searches from a memory device for correlating and storing keywords describing a product or service, the degrees of importance of those keywords and the locations of Web pages in which the products or services are described, the location of the Web pages from the storage device based on a search query that is a keyword designated by a user and the degree of importance correlated to that keyword;
• an exhibition step in which the exhibiting part exhibits to the user a search results designating the location of the searched Web pages;
• and
• an updating step in which the updating part updates the memory device, when information indicating that the user has an intent to purchase a first product or first service described in a Web page at the searched location and a second product or second service described in a Web page different from the Web page at the searched location before a prescribed period elapses from when the search query was designated by the user, by setting the designated search query as a keyword describing the second product or the second service, and by correlating and storing that keyword, the degree of importance of that keyword calculated by a prescribed statistical process and the location of a Web page in which the second product or the second service is described.