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» Restricted Strip Covering and the Sensor Cover Problem
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IPSN
2010
Springer
13 years 11 months ago
Covering space for in-network sensor data storage
For in-network storage schemes, one maps data, indexed in a logical space, to the distributed sensor locations. When the physical sensor network has an irregular shape and possibl...
Rik Sarkar, Wei Zeng, Jie Gao, Xianfeng David Gu
DAM
2010
79views more  DAM 2010»
13 years 4 months ago
On the sum minimization version of the online bin covering problem
Given a set of m identical bins of size 1, the online input consists of a (potentially, infinite) stream of items in (0, 1]. Each item is to be assigned to a bin upon arrival. The ...
János Csirik, Leah Epstein, Csanád I...
JUCS
2010
117views more  JUCS 2010»
13 years 3 months ago
NP-completeness and FPT Results for Rectilinear Covering Problems
Abstract: This paper discusses three rectilinear (that is, axis-parallel) covering problems in d dimensions and their variants. The first problem is the Rectilinear Line Cover whe...
Vladimir Estivill-Castro, Apichat Heednacram, Fran...
LATIN
2010
Springer
13 years 11 months ago
Colorful Strips
We study the following geometric hypergraph coloring problem: given a planar point set and an integer k, we wish to color the points with k colors so that any axis-aligned strip co...
Greg Aloupis, Jean Cardinal, Sébastien Coll...
JDA
2008
84views more  JDA 2008»
13 years 4 months ago
Red-blue covering problems and the consecutive ones property
Set Cover problems are of core importance in many applications. In recent research, the "red-blue variants" where blue elements all need to be covered whereas red elemen...
Michael Dom, Jiong Guo, Rolf Niedermeier, Sebastia...