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» Constraint Satisfaction with Bounded Treewidth Revisited
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AAAI
2010
14 years 9 days ago
Coalitional Structure Generation in Skill Games
We consider optimizing the coalition structure in Coalitional Skill Games (CSGs), a succinct representation of coalitional games (Bachrach and Rosenschein 2008). In CSGs, the valu...
Yoram Bachrach, Reshef Meir, Kyomin Jung, Pushmeet...
WG
2005
Springer
14 years 4 months ago
Hypertree Decompositions: Structure, Algorithms, and Applications
We review the concepts of hypertree decomposition and hypertree width from a graph theoretical perspective and report on a number of recent results related to these concepts. We al...
Georg Gottlob, Martin Grohe, Nysret Musliu, Marko ...
FOCS
1998
IEEE
14 years 3 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello