HOUSEHOLD ACCOUNT BOOK MANAGEMENT DEVICE, HOUSEHOLD ACCOUNT BOOK MANAGEMENT METHOD AND HOUSEHOLD ACCOUNT BOOK MANAGEMENT PROGRAM

PROBLEM TO BE SOLVED: To properly present information of a commodity which a user should purchase.SOLUTION: Prediction means 11 refers to household account book information of a household account book DB21, for predicting a next purchase scheduled date of a commodity. Search means 12 searches price information in an EC site 51 or real store, about the commodity, a purchase scheduled date of which is drawing near. Comparison means 13 compares price information for extracting a store which sells the commodity by lower price, and present means 14 presents the information of the commodity the purchase scheduled date of which is drawing near and price information on a household account book screen. Thereby a user can confirm the commodity which the user should purchase soon, and its price information with a household account book, so that forgetting to purchase and using money in a wasteful manner can be prevented.SELECTED DRAWING: Figure 1 【課題】ユーザが購入するべき商品の情報を適切に提示する。【解決手段】予測手段１１が家計簿ＤＢ２１の家計簿情報を参照して商品の次回の購入予定日を予測し、検索手段１２が購入予定日の近い商品について、ＥＣサイト５１や実店舗における価格情報を検索し、比較手段１３が価格情報を比較して価格の安い店舗を抽出し、提示手段１４が購入予定日の近い商品の情報と価格情報を家計簿画面とともに表示する。これにより、ユーザは近いうちに購入するべき商品とその価格情報を家計簿とともに確認でき、買い忘れと無駄使いを防止することが可能となる。【選択図】図１