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IWPEC
2009
Springer
16 years 2 months ago
On the Directed Degree-Preserving Spanning Tree Problem
In this paper we initiate a systematic study of the Reduced Degree Spanning Tree problem, where given a digraph D and a nonnegative integer k, the goal is to construct a spanning o...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
GECCO
2007
Springer
190views Optimization» more  GECCO 2007»
16 years 1 months ago
Analysis of evolutionary algorithms for the longest common subsequence problem
In the longest common subsequence problem the task is to find the longest sequence of letters that can be found as subsequence in all members of a given finite set of sequences....
Thomas Jansen, Dennis Weyland
ESA
2005
Springer
125views Algorithms» more  ESA 2005»
16 years 1 months ago
Online Primal-Dual Algorithms for Covering and Packing Problems
We study a wide range of online covering and packing optimization problems. In an online covering problem a linear cost function is known in advance, but the linear constraints th...
Niv Buchbinder, Joseph Naor
WSNA
2003
ACM
16 years 23 days ago
The coverage problem in a wireless sensor network
One fundamental issue in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formulate this pr...
Chi-Fu Huang, Yu-Chee Tseng
CPM
1999
Springer
92views Combinatorics» more  CPM 1999»
15 years 11 months ago
Physical Mapping with Repeated Probes: The Hypergraph Superstring Problem
We focus on the combinatorial analysis of physical mapping with repeated probes. We present computational complexity results, and we describe and analyze an algorithmic strategy. W...
Serafim Batzoglou, Sorin Istrail