Sciweavers

3019 search results - page 318 / 604
» Approximating the Domatic Number
Sort
View
STOC
2007
ACM
142views Algorithms» more  STOC 2007»
16 years 7 months ago
Lower bounds for randomized read/write stream algorithms
Motivated by the capabilities of modern storage architectures, we consider the following generalization of the data stream model where the algorithm has sequential access to multi...
Paul Beame, T. S. Jayram, Atri Rudra
VLDB
2008
ACM
110views Database» more  VLDB 2008»
16 years 6 months ago
Enhancing histograms by tree-like bucket indices
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
Francesco Buccafurri, Gianluca Lax, Domenico Sacc...
WINE
2009
Springer
171views Economy» more  WINE 2009»
16 years 1 months ago
The Impact of Social Ignorance on Weighted Congestion Games
We consider weighted linear congestion games, and investigate how social ignorance, namely lack of information about the presence of some players, affects the inefficiency of pure...
Dimitris Fotakis, Vasilis Gkatzelis, Alexis C. Kap...
INFOCOM
2008
IEEE
16 years 1 months ago
Queueing Analysis of Loss Systems with Variable Optical Delay Lines
—Recently, a new optical device called variable optical delay line (VODL) has been proposed in the literature. As suggested by its name, the delay of a VODL can be dynamically se...
Duan-Shin Lee, Cheng-Shang Chang, Jay Cheng, Horng...
IPPS
2008
IEEE
16 years 1 months ago
Sweep coverage with mobile sensors
Many efforts have been made for addressing coverage problems in sensor networks. They fall into two categories, full coverage and barrier coverage, featured as static coverage. In...
Wei-Fang Cheng, Mo Li, Kebin Liu, Yunhao Liu, Xian...