The expectation successful bid price calculation device, in every expectation successful bid price calculation manner, and

摘要

PROBLEM TO BE SOLVED: To calculate an expected successful bid price in auction by a simultaneous bid.;SOLUTION: A device for calculation of expected successful bid price has a successful bid history database previously storing successful bid history data wherein commodity information of a past bid target commodity, the kind of the commodity, a successful bid price, the number of bids, and a successful bidder are associated in each bid item, performs multiple regression analysis with the number of the bids and the commodity information as explanatory variables and with the successful bid price as an object variable based on the successful bid history data in each commodity of the same kind to calculate a parameter of a prediction expression of the successful bid price, calculates the expected number of bids to a commodity that is a new bid target based on similarity between commodity information of the commodity that is the new bid target and the commodity information of the commodity for which each successful bidder has made a successful bid in the past, and the number of past successful bids of each successful bidder stored in the successful bid history database, and applies the expected number of the bids and the commodity information of the commodity that is the new bid target to the prediction expression to calculate the expected successful bid price of the commodity that is the new bid target.;COPYRIGHT: (C)2010,JPO&INPIT