Sciweavers

42 search results - page 3 / 9
» An Evaluation of Best Compromise Search in Graphs
Sort
View
CIKM
2008
Springer
15 years 2 months ago
Dr. Searcher and Mr. Browser: a unified hyperlink-click graph
We introduce a unified graph representation of the Web, which includes both structural and usage information. We model this graph using a simple union of the Web's hyperlink ...
Barbara Poblete, Carlos Castillo, Aristides Gionis
EVOW
2007
Springer
15 years 6 months ago
Generation of Tree Decompositions by Iterated Local Search
Many instances of NP-hard problems can be solved efficiently if the treewidth of their corresponding graph is small. Finding the optimal tree decompositions is an NP-hard problem a...
Nysret Musliu
113
Voted
KDD
2010
ACM
244views Data Mining» more  KDD 2010»
14 years 11 months ago
Finding effectors in social networks
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
Theodoros Lappas, Evimaria Terzi, Dimitrios Gunopu...
106
Voted
FUIN
2007
123views more  FUIN 2007»
15 years 18 days ago
Analysis of Approximate Petri Nets by Means of Occurrence Graphs
Abstract. Approximate Petri nets (AP-nets) can be used for the knowledge representation and approximate reasoning. The AP-net model is defined on the basis of the rough set approa...
Zbigniew Suraj, Barbara Fryc
91
Voted
DAGM
2004
Springer
15 years 6 months ago
Pixel-to-Pixel Matching for Image Recognition Using Hungarian Graph Matching
A fundamental problem in image recognition is to evaluate the similarity of two images. This can be done by searching for the best pixel-to-pixel matching taking into account suita...
Daniel Keysers, Thomas Deselaers, Hermann Ney