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ISAAC
2005
Springer
122views Algorithms» more  ISAAC 2005»
14 years 2 months ago
Fast k-Means Algorithms with Constant Approximation
In this paper we study the k-means clustering problem. It is well-known that the general version of this problem is NP-hard. Numerous approximation algorithms have been proposed fo...
Mingjun Song, Sanguthevar Rajasekaran
PODS
2008
ACM
221views Database» more  PODS 2008»
14 years 8 months ago
A generic flow algorithm for shared filter ordering problems
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
TON
2008
125views more  TON 2008»
13 years 8 months ago
Two techniques for fast computation of constrained shortest paths
Abstract-- Computing constrained shortest paths is fundamental to some important network functions such as QoS routing, which is to find the cheapest path that satisfies certain co...
Shigang Chen, Meongchul Song, Sartaj Sahni
INFOCOM
2008
IEEE
14 years 3 months ago
Approximation Algorithms for Scheduling Real-Time Multicast Flows in Wireless LANs
—Abstract—In recent years, numerous large-scale Wireless LANs (WLAN) have been deployed all over the world. However, the shortage of non-interfering channels makes it a challen...
Yigal Bejerano, Dongwook Lee, Prasun Sinha, Lisa Z...
PPAM
2007
Springer
14 years 2 months ago
A Parallel Approximation Algorithm for the Weighted Maximum Matching Problem
Abstract. We consider the problem of computing a weighted edge matching in a large graph using a parallel algorithm. This problem has application in several areas of combinatorial ...
Fredrik Manne, Rob H. Bisseling