641 search results - page 6 / 129 » Collusion set detection using graph clustering |
JMLR
2011
13 years 3 months ago
2011
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...
WAW
2010
Springer
13 years 6 months ago
2010
Springer
We give algorithms for finding graph clusters and drawing graphs, highlighting local community structure within the context of a larger network. For a given graph G, we use the per...
ICIP
2001
IEEE
14 years 10 months ago
2001
IEEE
The proliferation of video content on the web makes similarity detection an indispensable tool in web data management, searching, and navigation. We have previously proposed a com...
CIB
2005
13 years 8 months ago
2005
A Web graph refers to the graph that is used to represent relationships between Web pages in cyberspace, where a node represents a URL and an edge indicates a link between two URLs...
ASP
2003
Springer
14 years 1 months ago
2003
Springer
We present a general method to improve computation of answer sets by analyzing structural properties of normal logic programs. Therefore we use labeled directed graphs associated t...