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» Using graphs for some discrete tomography problems
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MOBIHOC
2007
ACM
14 years 10 months ago
Complexity in geometric SINR
In this paper we study the problem of scheduling wireless links in the geometric SINR model, which explicitly uses the fact that nodes are distributed in the Euclidean plane. We p...
Olga Goussevskaia, Yvonne Anne Oswald, Roger Watte...
FSTTCS
2001
Springer
14 years 3 months ago
On Clustering Using Random Walks
Abstract. We propose a novel approach to clustering, based on deterministic analysis of random walks on the weighted graph associated with the clustering problem. The method is cen...
David Harel, Yehuda Koren
SODA
2010
ACM
231views Algorithms» more  SODA 2010»
14 years 8 months ago
Asymmetric Traveling Salesman Path and Directed Latency Problems
We study integrality gaps and approximability of two closely related problems on directed graphs. Given a set V of n nodes in an underlying asymmetric metric and two specified nod...
Zachary Friggstad, Mohammad R. Salavatipour, Zoya ...
JGAA
2006
83views more  JGAA 2006»
13 years 11 months ago
On the approximation of Min Split-coloring and Min Cocoloring
We consider two problems, namely Min Split-coloring and Min Cocoloring, that generalize the classical Min Coloring problem by using not only stable sets but also cliques to cover ...
Marc Demange, Tinaz Ekim, Dominique de Werra
ICCS
1998
Springer
14 years 3 months ago
Handling Specification Knowledge Evolution Using Context Lattices
Internet-based information technologies have considerable potential for improving collaboration in professional communities. In this paper, we explain the concept of user-driven sp...
Aldo de Moor, Guy W. Mineau