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ICPR
2008
IEEE
16 years 7 months ago
Multiclass spectral clustering based on discriminant analysis
Many existing spectral clustering algorithms share a conventional graph partitioning criterion: normalized cuts (NC). However, one problem with NC is that it poorly captures the g...
Xi Li, Zhongfei Zhang, Yanguo Wang, Weiming Hu
DAGSTUHL
2000
15 years 7 months ago
Presenting Data from Experiments in Algorithmics
Algorithmic experiments yield large amounts of data that depends on many parameters. This paper collects a number of rules for presenting this data in concise, meaningful, understa...
Peter Sanders
CORR
2010
Springer
156views Education» more  CORR 2010»
15 years 6 months ago
A Branch-and-Reduce Algorithm for Finding a Minimum Independent Dominating Set
A dominating set D of a graph G = (V, E) is a subset of vertices such that every vertex in V \ D has at least one neighbour in D. Moreover if D is an independent set, i.e. no verti...
Serge Gaspers, Mathieu Liedloff
NETWORKS
2006
15 years 5 months ago
A simple algorithm that proves half-integrality of bidirected network programming
In a bidirected graph, each end of each edge is independently oriented. We show how to express any column of the incidence matrix as a half-integral linear combination of any colum...
Ethan D. Bolker, Thomas Zaslavsky