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» The Minimum Substring Cover Problem
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FOCS
2000
IEEE
15 years 4 months ago
Hierarchical Placement and Network Design Problems
In this paper, we give the first constant-approximations for a number of layered network design problems. We begin by modeling hierarchical caching, where caches are placed in la...
Sudipto Guha, Adam Meyerson, Kamesh Munagala
COMCOM
2006
150views more  COMCOM 2006»
14 years 11 months ago
Energy-efficient coverage problems in wireless ad-hoc sensor networks
Wireless sensor networks constitute the platform of a broad range of applications related to national security, surveillance, military, health care, and environmental monitoring. ...
Mihaela Cardei, Jie Wu
ALENEX
2001
151views Algorithms» more  ALENEX 2001»
15 years 1 months ago
The Asymmetric Traveling Salesman Problem: Algorithms, Instance Generators, and Tests
The purpose of this paper is to provide a preliminary report on the rst broad-based experimental comparison of modern heuristics for the asymmetric traveling salesmen problem ATSP....
Jill Cirasella, David S. Johnson, Lyle A. McGeoch,...
DSD
2004
IEEE
126views Hardware» more  DSD 2004»
15 years 3 months ago
Boolean Minimizer FC-Min: Coverage Finding Process
This paper describes principles of a novel two-level multi-output Boolean minimizer FC-Min, namely its Find Coverage phase. The problem of Boolean minimization is approached in a ...
Petr Fiser, Hana Kubatova
TIT
1998
127views more  TIT 1998»
14 years 11 months ago
On a New Class of Codes for Identifying Vertices in Graphs
—We investigate a new class of codes for the optimal covering of vertices in an undirected graph Gsuch that any vertex in G can be uniquely identified by examining the vertices ...
Mark G. Karpovsky, Krishnendu Chakrabarty, Lev B. ...