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COCOON
2007
Springer
16 years 17 days ago
On the Hardness of Optimization in Power Law Graphs
Our motivation for this work is the remarkable discovery that many large-scale real-world graphs ranging from Internet and World Wide Web to social and biological networks exhibit ...
Alessandro Ferrante, Gopal Pandurangan, Kihong Par...
FSTTCS
2007
Springer
16 years 17 days ago
Undirected Graphs of Entanglement 2
Entanglement is a complexity measure of directed graphs that origins in fixed point theory. This measure has shown its use in designing efficient algorithms to verify logical prop...
Walid Belkhir, Luigi Santocanale
PAKDD
2010
ACM
203views Data Mining» more  PAKDD 2010»
15 years 11 months ago
Finding Itemset-Sharing Patterns in a Large Itemset-Associated Graph
Both itemset mining and graph mining have been studied independently. Here, we introduce a novel data structure, which is an unweighted graph whose vertices contain itemsets. From ...
Mutsumi Fukuzaki, Mio Seki, Hisashi Kashima, Jun S...
FOCS
2000
IEEE
15 years 10 months ago
On the Hardness of Graph Isomorphism
We show that the graph isomorphism problem is hard under DLOGTIME uniform AC0 many-one reductions for the complexity classes NL, PL (probabilistic logarithmic space) for every loga...
Jacobo Torán
FGCS
2000
83views more  FGCS 2000»
15 years 6 months ago
A Graph-based Ant System and its convergence
: A general framework for solving combinatorial optimization problems heuristically by the Ant System approach is developed. The framework is based on the concept of a construction...
Walter J. Gutjahr