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Generalized hypertree decompositions: NP-hardness and tractable variants
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Authors:
Georg Gottlob
Oxford University, Parks Road, Oxford
Zoltán Miklós
École Polytechnique Fédérale de Lausanne, Switzerland
Thomas Schwentick
Technische Universität Dortmund, Dortmund, Germany
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Journal of the ACM (JACM)
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Volume 56 Issue 6, September 2009
Article No. 30
ACM
New York, NY
, USA
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doi>
10.1145/1568318.1568320
2009 Article
Research
Refereed
Bibliometrics
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· Citation Count: 10
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Tags:
acyclic
algorithms
conjunctive query
hypergraph
hypertree decomposition
np-complete
query processing
relational databases
theory
tractable
treeprojection problem
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