Sciweavers

1068 search results - page 88 / 214
» Factorization as a Rank 1 Problem
Sort
View
APPROX
2007
Springer
87views Algorithms» more  APPROX 2007»
15 years 1 months ago
Stochastic Steiner Tree with Non-uniform Inflation
We study the Steiner Tree problem in the model of two-stage stochastic optimization with non-uniform inflation factors, and give a poly-logarithmic approximation factor for this pr...
Anupam Gupta, MohammadTaghi Hajiaghayi, Amit Kumar
DCOSS
2006
Springer
15 years 1 months ago
Approximation Algorithms for Power-Aware Scheduling of Wireless Sensor Networks with Rate and Duty-Cycle Constraints
We develop algorithms for finding the minimum energy transmission schedule for duty-cycle and rate constrained wireless sensor nodes transmitting over an interference channel. Sinc...
Rajgopal Kannan, Shuangqing Wei
CPM
2009
Springer
94views Combinatorics» more  CPM 2009»
15 years 4 months ago
Online Approximate Matching with Non-local Distances
Abstract. A black box method was recently given that solves the problem of online approximate matching for a class of problems whose distance functions can be classified as being ...
Raphaël Clifford, Benjamin Sach
JSAC
2006
99views more  JSAC 2006»
14 years 9 months ago
Incentives for large peer-to-peer systems
We consider problems of provisioning an excludable public good amongst n potential members of a peer-to-peer system who are able to communicate information about their private pre...
Costas Courcoubetis, Richard R. Weber
ICDE
2008
IEEE
241views Database» more  ICDE 2008»
15 years 11 months ago
PictureBook: A Text-and-Image Summary System for Web Search Result
Search engine technology plays an important role in Web information retrieval. However, with Internet information explosion, traditional searching techniques cannot provide satisfa...
Baile Shi, Guoyu Hao, Hongtao Xu, Mei Wang, Qi Zha...