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46th Annual IEEE Symposium on Foundations of Computer Science (FOCS'05)
AdWords and Generalized On-line Matching
Pittsburgh, Pennsylvania, USA
October 23-October 25
ISBN: 0-7695-2468-0
Aranyak Mehta, Aranyak Mehta
Amin Saberi, Amin Saberi
Umesh Vazirani, Umesh Vazirani
Vijay Vazirani, Vijay Vazirani

How does a search engine company decide what ads to display with each query so as to maximize its revenue? This turns out to be a generalization of the online bipartite matching problem. We introduce the notion of a tradeoff revealing LP and use it to derive two optimal algorithms achieving competitive ratios of 1 - 1/e for this problem.

Citation:
Aranyak Mehta, Amin Saberi, Umesh Vazirani, Vijay Vazirani, "AdWords and Generalized On-line Matching," focs, pp.264-273, 46th Annual IEEE Symposium on Foundations of Computer Science (FOCS'05), 2005
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