STOC
2012
ACM
12 years 2 months 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...
INFOCOM
2012
IEEE
12 years 2 months ago
2012
IEEE
—Surveillance systems, such as sensor networks and surveillance camera networks, have been widely deployed to monitor events in many different scenarios. One common way to conser...
SIGMOD
2012
ACM
12 years 2 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
COMGEO
2012
ACM
12 years 8 months ago
2012
ACM
We study a class of multi-commodity flow problems in geometric domains: For a given planar domain P populated with obstacles (holes) of K ≥ 2 types, compute a set of thick path...
ASIACRYPT
2011
Springer
13 years 13 days ago
2011
Springer
A cryptographic assumption is the (unproven) mathematical statement that a certain computational problem (e.g. factoring integers) is computationally hard. The leakage-resilience l...
APPROX
2011
Springer
13 years 13 days ago
2011
Springer
How to color 3 colorable graphs with few colors is a problem of longstanding interest. The best polynomial-time algorithm uses n0.2072 colors. There are no indications that colori...
SIGECOM
2011
ACM
13 years 3 months ago
2011
ACM
In a landmark paper, Papadimitriou and Roughgarden [2008] described a polynomial-time algorithm (“Ellipsoid Against Hope”) for computing sample correlated equilibria of concis...
SDM
2011
SIAM
13 years 3 months ago
2011
SIAM
A binary matrix is fully nested if its columns form a chain of subsets; that is, any two columns are ordered by the subset relation, where we view each column as a subset of the r...
INFOCOM
2011
IEEE
13 years 3 months ago
2011
IEEE
Abstract—We consider the problem of jointly optimizing channel pairing, channel-user assignment, and power allocation in a single-relay multiple-access system. The optimization o...
ICALP
2011
Springer
13 years 3 months ago
2011
Springer
We give new algorithms for a variety of randomly-generated instances of computational problems using a linearization technique that reduces to solving a system of linear equations...