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NETWORKS
2011
15 years 1 months ago
Earliest arrival flows on series-parallel graphs
We present an exact algorithm for computing an earliest arrival flow in a discrete time setting on series-parallel graphs. In contrast to previous results for the earliest arrival...
Stefan Ruzika, Heike Sperber, Mechthild Steiner
KDD
2009
ACM
204views Data Mining» more  KDD 2009»
16 years 7 months ago
DOULION: counting triangles in massive graphs with a coin
Counting the number of triangles in a graph is a beautiful algorithmic problem which has gained importance over the last years due to its significant role in complex network analy...
Charalampos E. Tsourakakis, U. Kang, Gary L. Mille...
JAL
2006
101views more  JAL 2006»
15 years 6 months ago
Semi-matchings for bipartite graphs and load balancing
We consider the problem of fairly matching the left-hand vertices of a bipartite graph to the right-hand vertices. We refer to this problem as the optimal semimatching problem; it...
Nicholas J. A. Harvey, Richard E. Ladner, Lá...
IPPS
2002
IEEE
15 years 11 months ago
Optimizing Graph Algorithms for Improved Cache Performance
Tiling has long been used to improve cache performance. Recursion has recently been used as a cache-oblivious method of improving cache performance. Both of these techniques are n...
Joon-Sang Park, Michael Penner, Viktor K. Prasanna
APPROX
2008
Springer
173views Algorithms» more  APPROX 2008»
15 years 8 months ago
Connected Vertex Covers in Dense Graphs
We consider the variant of the minimum vertex cover problem in which we require that the cover induces a connected subgraph. We give new approximation results for this problem in d...
Jean Cardinal, Eythan Levy