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APWEB
2006
Springer
13 years 11 months ago
Strongly Connected Dominating Sets in Wireless Sensor Networks with Unidirectional Links
A Connected Dominating Set (CDS) can serve as a virtual backbone for a wireless sensor network since there is no fixed infrastructure or centralized management in wireless sensor n...
Ding-Zhu Du, My T. Thai, Yingshu Li, Dan Liu, Shiw...
IPCO
2007
94views Optimization» more  IPCO 2007»
13 years 8 months ago
Infrastructure Leasing Problems
Consider the following Steiner Tree leasing problem. Given a graph G = (V, E) with root r, and a sequence of terminal sets Dt ⊆ V for each day t ∈ [T]. A feasible solution to t...
Barbara M. Anthony, Anupam Gupta
OL
2011
242views Neural Networks» more  OL 2011»
13 years 2 months ago
On connected domination in unit ball graphs
Given a simple undirected graph, the minimum connected dominating set problem is to find a minimum cardinality subset of vertices D inducing a connected subgraph such that each ve...
Sergiy Butenko, Sera Kahruman-Anderoglu, Oleksii U...
COR
2007
108views more  COR 2007»
13 years 7 months ago
New primal-dual algorithms for Steiner tree problems
We present new primal-dual algorithms for several network design problems. The problems considered are the generalized Steiner tree problem (GST), the directed Steiner tree proble...
Vardges Melkonian
ALGORITHMICA
1998
184views more  ALGORITHMICA 1998»
13 years 7 months ago
Approximation Algorithms for Connected Dominating Sets
The dominatingset problemin graphs asks for a minimumsize subset of vertices with the followingproperty: each vertex is required to either be in the dominating set, or adjacent to...
Sudipto Guha, Samir Khuller