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CIKM
2004
Springer
15 years 4 months ago
Approximating the top-m passages in a parallel question answering system
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
Charles L. A. Clarke, Egidio L. Terra
TCC
2007
Springer
100views Cryptology» more  TCC 2007»
15 years 4 months ago
Private Approximation of Clustering and Vertex Cover
Private approximation of search problems deals with finding approximate solutions to search problems while disclosing as little information as possible. The focus of this work is ...
Amos Beimel, Renen Hallak, Kobbi Nissim
GLOBECOM
2009
IEEE
15 years 5 months ago
Accelerating Initialization for Sensor Networks
—Initialization is an indispensable process for wireless sensor networks since newly deployed sensors lack a reliable infrastructure for communication. Many efforts have been mad...
Linghe Kong, Luoyi Fu, Xuemei Liu, Min-You Wu
SIGECOM
2009
ACM
216views ECommerce» more  SIGECOM 2009»
15 years 5 months ago
Approximate mechanism design without money
The literature on algorithmic mechanism design is mostly concerned with game-theoretic versions of optimization problems to which standard economic money-based mechanisms cannot b...
Ariel D. Procaccia, Moshe Tennenholtz
MMM
2008
Springer
106views Multimedia» more  MMM 2008»
15 years 5 months ago
Free-Shaped Video Collage
Abstract. With the explosive growth of multimedia data, video presentation has become an important technology for fast browsing of video content. In this paper, we present a novel ...
Bo Yang, Tao Mei, Lifeng Sun, Shi-Qiang Yang, Xian...