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» Reasoning About Approximate Match Query Results
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STOC
2009
ACM
102views Algorithms» more  STOC 2009»
14 years 9 months ago
Multiple intents re-ranking
One of the most fundamental problems in web search is how to re-rank result web pages based on user logs. Most traditional models for re-ranking assume each query has a single int...
Yossi Azar, Iftah Gamzu, Xiaoxin Yin
WINE
2009
Springer
194views Economy» more  WINE 2009»
14 years 3 months ago
Mechanism Design for Complexity-Constrained Bidders
A well-known result due to Vickery gives a mechanism for selling a number of goods to interested buyers in a way that achieves the maximum social welfare. In practice, a problem wi...
Ravi Kumar, Mohammad Mahdian, Amin Sayedi
CIKM
2008
Springer
13 years 10 months ago
A metric cache for similarity search
Similarity search in metric spaces is a general paradigm that can be used in several application fields. It can also be effectively exploited in content-based image retrieval syst...
Fabrizio Falchi, Claudio Lucchese, Salvatore Orlan...
CORR
2012
Springer
218views Education» more  CORR 2012»
12 years 4 months ago
On the Hardness of Welfare Maximization in Combinatorial Auctions with Submodular Valuations
We present a new type of monotone submodular functions: multi-peak submodular functions. Roughly speaking, given a family of sets F, we construct a monotone submodular function f ...
Shahar Dobzinski, Jan Vondrák
CONSTRAINTS
1998
112views more  CONSTRAINTS 1998»
13 years 8 months ago
Temporal Constraints: A Survey
Abstract. Temporal Constraint Satisfaction is an information technology useful for representing and answering queries about the times of events and the temporal relations between t...
Eddie Schwalb, Lluís Vila