METHOD AND PROGRAM FOR DISTRIBUTING ADVERTISEMENT INFORMATION AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To allow an advertisement provider to estimate a feature item to which a user gives preference by narrowing merchandise advertising information through the user of the favorite feature items and preferential order when the user purchases a merchandise on the Internet, etc. SOLUTION: The advertisement provider transmits the aggregation of the feature items and the aggregation of attributes to the user. Then the user selects one feature item and one attribute and transmits them to the advertisement provider. The provider selects the aggregation of advertisement information which coincides with the feature item and the attribute selected by the user, transmits the aggregation of the feature items other than the selected feature item to the user together with the aggregation of the attributes, and then repeats the processings to narrow advertisement information. After narrowing, the usage frequency of the permutation of the attribute is updated in response to the attribute order selected by the user.