Sciweavers

AAAI
2012
12 years 1 months ago
Dynamic Matching via Weighted Myopia with Application to Kidney Exchange
In many dynamic matching applications—especially high-stakes ones—the competitive ratios of prior-free online algorithms are unacceptably poor. The algorithm should take distr...
John P. Dickerson, Ariel D. Procaccia, Tuomas Sand...
CVPR
2012
IEEE
12 years 1 months ago
Steerable part models
We describe a method for learning steerable deformable part models. Our models exploit the fact that part templates can be written as linear filter banks. We demonstrate that one...
Hamed Pirsiavash, Deva Ramanan
INFOCOM
2012
IEEE
12 years 1 months ago
SybilDefender: Defend against sybil attacks in large social networks
—Distributed systems without trusted identities are particularly vulnerable to sybil attacks, where an adversary creates multiple bogus identities to compromise the running of th...
Wei Wei, Fengyuan Xu, Chiu Chiang Tan, Qun Li
ICDE
2012
IEEE
208views Database» more  ICDE 2012»
12 years 1 months ago
Fast SLCA and ELCA Computation for XML Keyword Queries Based on Set Intersection
— In this paper, we focus on efficient keyword query processing for XML data based on SLCA and ELCA semantics. We propose for each keyword a novel form of inverted list, which i...
Junfeng Zhou, Zhifeng Bao, Wei Wang, Tok Wang Ling...
SIGMOD
2012
ACM
210views Database» more  SIGMOD 2012»
12 years 1 months ago
Interactive regret minimization
We study the notion of regret ratio proposed in [19] to deal with multi-criteria decision making in database systems. The regret minimization query proposed in [19] was shown to h...
Danupon Nanongkai, Ashwin Lall, Atish Das Sarma, K...
ICDE
2011
IEEE
234views Database» more  ICDE 2011»
13 years 2 months ago
Massively parallel XML twig filtering using dynamic programming on FPGAs
Abstract— In recent years, XML-based Publish-Subscribe Systems have become popular due to the increased demand of timely event-notification. Users (or subscribers) pose complex ...
Roger Moussalli, Mariam Salloum, Walid A. Najjar, ...