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FSTTCS
2003
Springer
15 years 11 months ago
On the Covering Steiner Problem
The Covering Steiner problem is a common generalization of the k-MST and Group Steiner problems. An instance of the Covering Steiner problem consists of an undirected graph with ed...
Anupam Gupta, Aravind Srinivasan
SECON
2010
IEEE
15 years 4 months ago
Two-Tiered Constrained Relay Node Placement in Wireless Sensor Networks: Efficient Approximations
In a wireless sensor network, short range multihop transmissions are preferred to prolong the network lifetime due to super-linear nature of energy consumption with communication d...
Dejun Yang, Satyajayant Misra, Xi Fang, Guoliang X...
RECOMB
2007
Springer
16 years 19 days ago
Parts of the Problem of Polyploids in Rearrangement Phylogeny
Abstract. Genome doubling simultaneously doubles all genetic markers. Genome rearrangement phylogenetics requires that all genomes analyzed have the same set of orthologs, so that ...
Chunfang Zheng, Qian Zhu, David Sankoff
CSCLP
2007
Springer
16 years 21 days ago
Combining Two Structured Domains for Modeling Various Graph Matching Problems
Abstract. Graph pattern matching is a central application in many fields. In various areas, the structure of the pattern can only be approximated and exact matching is then too ac...
Yves Deville, Grégoire Dooms, Stépha...
CORR
2006
Springer
144views Education» more  CORR 2006»
15 years 6 months ago
The minimum linear arrangement problem on proper interval graphs
We present a linear time algorithm for the minimum linear arrangement problem on proper interval graphs. The obtained ordering is a 4-approximation for general interval graphs. 1 ...
Ilya Safro