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  2. Auction software - Wikipedia

    en.wikipedia.org/wiki/Auction_software

    Auction software is application software, that can either be deployed on a desktop, on a web server [1] [2] or as a smart contract [3] on a blockchain virtual machine. This software is used by auctioneers and participants of online auctions such as eBay. Smart contracts replace an auctioneer's server, if the auctioneer is not trusted. [4]

  3. Online auction - Wikipedia

    en.wikipedia.org/wiki/Online_auction

    The largest consumer-to-consumer online auction site is eBay, which researchers suggest is popular because it is a convenient, efficient, and effective method for buying and selling goods. [ 6 ] Despite the benefits of online auctions, the anonymity of the internet, the large market, and the ease of access makes online auction fraud easier than ...

  4. Unique bid auction - Wikipedia

    en.wikipedia.org/wiki/Unique_bid_auction

    Because such auctions typically require very large numbers of bidders to be profitable, virtually all instances of unique bid auctions are heavily dependent on the use of technology, in that they are either run solely using mobile technology (e.g. bidders submit their bids via reverse charge text messages) or they are on-line auction sites, or ...

  5. Vickrey–Clarke–Groves auction - Wikipedia

    en.wikipedia.org/wiki/Vickrey–Clarke–Groves...

    A Vickrey–Clarke–Groves (VCG) auction is a type of sealed-bid auction of multiple items. Bidders submit bids that report their valuations for the items, without knowing the bids of the other bidders. The auction system assigns the items in a socially optimal manner: it charges each individual the harm they cause to other bidders. [1]

  6. Tapering (sports) - Wikipedia

    en.wikipedia.org/wiki/Tapering_(sports)

    In sports, tapering is the practice of reducing exercise in the days just before an important competition. [1] Tapering is customary both in endurance sports, such as long-distance running and swimming, and strength sports, such as weightlifting and sprinting. For many athletes, a significant period of tapering is essential for optimal ...

  7. Real-time bidding - Wikipedia

    en.wikipedia.org/wiki/Real-time_bidding

    Real-time bidding (RTB) is a means by which advertising inventory is bought and sold on a per-impression basis, via instantaneous programmatic auction, similar to financial markets. With real-time bidding, online advertising buyers bid on an impression and, if the bid is won, the buyer's ad is instantly displayed on the publisher's site. [ 2 ]

  8. Proxy bid - Wikipedia

    en.wikipedia.org/wiki/Proxy_bid

    Proxy bidding is an implementation of an English second-price auction used on eBay, in which the winning bidder pays the price of the second-highest bid plus a defined increment. It differs from a Vickrey auction in that bids are not sealed; the "current highest bid" (defined as second-highest bid plus bid increment) is always displayed.

  9. Guide rail - Wikipedia

    en.wikipedia.org/wiki/Guide_rail

    A guide rail is a device or mechanism to direct products, vehicles or other objects through a channel, conveyor, roadway or rail system. Several types of guide rails exist and may be associated with: Factory or production line conveyors; Power tools, such as table saws; Elevator or lift shafts