نتایج جستجو برای: multi attribute reverse auction
تعداد نتایج: 639526 فیلتر نتایج به سال:
T majority of reverse auctions for procurement use a single-attribute (price) format while providing constraints on nonprice attributes such as quality and lead time. Alternatively, a buyer could choose to conduct a multiattribute auction where bidders can specify both a price and levels of nonprice attributes. While such an auction may provide higher theoretical utility to the buyer, it is not...
In multi-attribute procurement auctions with multiple objects, the auctioneer may care about the interplay of quality attributes that do not belong to the same item – like each item’s delivery time, if all items are needed at once. This can influence the performance of the auction mechanism. We generalize the Ausubel-Milgrom ascending proxy auction to such an environment and show that the main ...
Considering multiple attributes while evaluating request for quotes (RFQs) responses from suppliers is gaining significant importance in industrial procurement. While price has traditionally been the most important factor in evaluating RFQ responses, incorporation of non-price attributes such as quality and delivery performance is becoming essential and critical. Research on multi-attribute RFQ...
In a multi-attribute combinatorial double auction (MACDA), sellers and buyers’ preferences over multiple synergetic goods are best satisfied. In recent studies in MACDA, it is typically assumed that bidders must know the desired combination (and quantity) of items and the bundle price. They do not address a package combination which is the most desirable to a bidder. This study presents a new p...
The paper addresses the topic of e-procurement of logistics services and examines how the system that companies adopt to support this task affects the process performance. The system is evaluated in terms of substantive outcomes (e.g., logistics providers’ profits) and other performances related to perceptions and behavioral issues. Specifically, the considered system is characterized by the ex...
We present an innovative intrusion detection model based on autonomic computing to extend the passive detection mechanism in a traditional intrusion detection system (IDS). Centered on an autonomic manager, this model introduces a multi-attribute auction mechanism in the agent coordination layer to perceive environmental changes, manage and allocate resources, and achieve an active response to ...
This study focuses on mechanism design in order to solve multi-attribute e-procurement problems. In particularly, this study addresses two realistic requirements in mechanism design: (1) specifications of request/proposal on multiple attributes, and (2) incentive compatibility on information exchange/disclosure. Taking into account the needs and emergence of advanced mechanisms in eprocurement,...
In a previous work we extended the notion of multi-unit combinatorial reverse auction (MUCRA) by adding a new dimension to the goods at auction. A buyer can express transformability relationships among goods: some goods can be transformed into others at a transformation cost. Through this new auction type, a buyer can find out what goods to buy, to whom, and what transformations to apply to the...
Reverse Combinatorial auctions, that is, auctions where bidders can bid on the supply right of combinations of items, tend to lead to more efficient allocations than traditional auction mechanisms in multi-item auctions where the agents' valuations of the items are not additive. A common model is formulated for optimal the winner determination problem of reverse combinatorial auction. A PRIM (P...
The theory of auctions has ignored the fact that often auction designers, not the principal, design auctions In a multi attribute auction, the auction designer may bias his subjective evaluation of quality or distort the relative weights of the various attributes to favor a specific bidder, an ancient concern in the procurement of weapons, in the auctioning of government contracts and in the pu...
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