| abstract |
(57) [Summary] [Problem] Product information in which not only a category of a product but also an item relating to the preference of the purchaser for the product cannot be extracted to extract a product matching the preference of the purchaser It is an object of the present invention to provide a product information providing device capable of extracting a product according to the taste of the purchaser by inputting at least the purchaser's identifier. SOLUTION: For each of the products, a product evaluation information management unit 106, which stores the liking vector combined with the liking element vector and the identifier of the product, and the purchaser for each identifier of the purchaser A personal hobby information management unit 110 that accumulates the preference vector for each of the products. And a new product information request unit that receives the purchaser identifier 113 and the product evaluation information management unit 1 based on the accumulated favorable feeling vector corresponding to the accepted identifier 1 Product Individual Evaluation Department that extracts at least one product from 06 114 is a product information providing device. |