Research Article

A Transaction Trade-Off Utility Function Approach for Predicting the End-Price of Online Auctions in IoT

Table 3

The main features and descriptions of dataset 1.

Feature nameFeature description

PriceEnd prices of auctions
StartingBidMinimum transaction price of an auction
BidCountNumber of bids won in an auction
TitleTransaction title
QuantitySoldSuccessful sale number (0 or 1)
SellerRatingSeller’s rating on eBay
StartDateAuction start date
EndDateAuction end date
PositiveFeedbackPercentPercentage of positive feedback received by seller (for all feedback)
BuyitNowPricePrice for immediate purchase
HighBidderFeedbackRatingeBay rating of the highest-price bidder
IsHOFThe seller is or not a hall of fame player (0 or 1)
AvgPriceAverage price of a good in inventory
MedianPriceMedian price of a good in inventory
AuctionCountTotal number of auctions in inventory
SellerSaleToAveragePriceRatioProportion of auction goods price to average price
StartDayOfWeekThe beginning day of the auction in a week
EndDayOfWeekThe end day of the auction in a week
AuctionDurationAuction duration days
StartingBidPercentThe ratio of the starting bidding price to the average transaction price
SellerClosePercentThe proportion of a seller’s successful auctions to all online auctions
ItemAuctionSellPercentPercentage of successful auctions in all online auctions