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JEA
2008
88views more  JEA 2008»
13 years 11 months ago
Multilevel algorithms for linear ordering problems
Linear ordering problems are combinatorial optimization problems which deal with the minimization of different functionals in which the graph vertices are mapped onto (1, 2, ..., ...
Ilya Safro, Dorit Ron, Achi Brandt
CIKM
2010
Springer
13 years 9 months ago
Building recommendation systems using peer-to-peer shared content
Peer-to-Peer (p2p) networks are used for sharing content by millions of users. Often, meta-data used for searching is missing or wrong, making it difficult for users to find cont...
Yuval Shavitt, Ela Weinsberg, Udi Weinsberg
JMLR
2011
133views more  JMLR 2011»
13 years 6 months ago
Operator Norm Convergence of Spectral Clustering on Level Sets
Following Hartigan (1975), a cluster is defined as a connected component of the t-level set of the underlying density, that is, the set of points for which the density is greater...
Bruno Pelletier, Pierre Pudlo
KAIS
2011
129views more  KAIS 2011»
13 years 6 months ago
Counting triangles in real-world networks using projections
Triangle counting is an important problem in graph mining. Two frequently used metrics in complex network analysis which require the count of triangles are the clustering coefficie...
Charalampos E. Tsourakakis
AI
2010
Springer
13 years 11 months ago
Optimal query complexity bounds for finding graphs
We consider the problem of finding an unknown graph by using two types of queries with an additive property. Given a graph, an additive query asks the number of edges in a set of ...
Sung-Soon Choi, Jeong Han Kim