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195
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. The growing popularity of online social networks gave researchers access to large amount of network data and renewed interest in methods for automatic community detection...
172
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Single node failures represent more than 85% of all node failures in the today's large communication networks such as the Internet [10]. Also, these node failures are usually...
174
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Resolution refinements called w-resolution trees with lemmas (WRTL) and with input lemmas (WRTI) are introduced. Dag-like resolution is equivalent to both WRTL and WRTI when there...
178
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DAM
2010
15 years 6 months ago
2010
We study P6-free graphs, i.e., graphs that do not contain an induced path on six vertices. Our main result is a new characterization of this graph class: a graph G is P6-free if an...
158
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DISOPT
2008
15 years 6 months ago
2008
We introduce a general technique to create an extended formulation of a mixed-integer program. We classify the integer variables into blocks, each of which generates a finite set ...