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» Approximability of the k-server disconnection problem
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ICPP
1995
IEEE
15 years 1 months ago
Unicasting in Faulty Hypercubes Using Safety Levels
—We propose a unicasting algorithm for faulty hypercubes (including disconnected hypercubes) using the safety level concept. A faulty hypercube is a hypercube with faulty nodes a...
Jie Wu
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 2 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...
SRDS
2006
IEEE
15 years 3 months ago
Reducing the Availability Management Overheads of Federated Content Sharing Systems
We consider the problem of ensuring high data availability in federated content sharing systems. Ideally, such a system would provide high data availability in a device transparen...
Christopher Peery, Thu D. Nguyen, Francisco Matias...
TCS
2010
14 years 8 months ago
Clustering with partial information
The Correlation Clustering problem, also known as the Cluster Editing problem, seeks to edit a given graph by adding and deleting edges to obtain a collection of disconnected cliq...
Hans L. Bodlaender, Michael R. Fellows, Pinar Hegg...
INFOCOM
2010
IEEE
14 years 8 months ago
Deploying Mesh Nodes under Non-Uniform Propagation
Abstract—Wireless mesh networks are popular as a costeffective means to provide broadband connectivity to large user populations. A mesh network placement provides coverage, such...
Joshua Robinson, Mohit Singh, Ram Swaminathan, Edw...