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SIGIR
2012
ACM
12 years 9 days ago
2012
ACM
The intent-oriented search diversification methods developed in the field so far tend to build on generative views of the retrieval system to be diversified. Core algorithm compon...
SIGIR
2012
ACM
12 years 9 days ago
2012
ACM
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
STOC
2012
ACM
12 years 9 days ago
2012
ACM
We develop a game-theoretic framework for the study of competition between firms who have budgets to “seed” the initial adoption of their products by consumers located in a s...
STOC
2012
ACM
12 years 9 days ago
2012
ACM
We obtain a characterization of feasible, Bayesian, multi-item multi-bidder mechanisms with independent, additive bidders as distributions over hierarchical mechanisms. Combined w...
STOC
2012
ACM
12 years 9 days ago
2012
ACM
We propose a new notion of secure multiparty computation aided by a computationally-powerful but untrusted “cloud” server. In this notion that we call on-the-fly multiparty c...