Sciweavers

1480 search results - page 168 / 296
» Distributed algorithms for weighted problems in sparse graph...
Sort
View
ADMA
2009
Springer
142views Data Mining» more  ADMA 2009»
15 years 7 months ago
Crawling Deep Web Using a New Set Covering Algorithm
Abstract. Crawling the deep web often requires the selection of an appropriate set of queries so that they can cover most of the documents in the data source with low cost. This ca...
Yan Wang, Jianguo Lu, Jessica Chen
174
Voted
CORR
2010
Springer
338views Education» more  CORR 2010»
15 years 24 days ago
Optimal Distributed P2P Streaming under Node Degree Bounds
We study the problem of maximizing the broadcast rate in peer-to-peer (P2P) systems under node degree bounds, i.e., the number of neighbors a node can simultaneously connect to is ...
Shaoquan Zhang, Ziyu Shao, Minghua Chen
182
Voted
BIRTHDAY
2011
Springer
14 years 21 days ago
Algorithmic Aspects of Risk Management
Abstract. Risk analysis has been used to manage the security of systems for several decades. However, its use has been limited to offline risk computation and manual response. In c...
Ashish Gehani, Lee Zaniewski, K. Subramani
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 5 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
IPPS
2009
IEEE
15 years 7 months ago
Deadlock prevention by turn prohibition in interconnection networks
Abstract—In this paper we consider the problem of constructing minimal cycle-breaking sets of turns for graphs that model communication networks, as a method to prevent deadlocks...
Lev B. Levitin, Mark G. Karpovsky, Mehmet Mustafa