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    » An Algorithm for Computing the Integral Closure
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    MFDBS
    1989
    102views Database» more  MFDBS 1989»
    Transitive Closure and the LOGA+-Strategy for its Efficient Evaluation
    13 years 9 months ago
    Transitive Closure and the LOGA+-Strategy for its Efficient Evaluation
    Download  wwwlgis.informatik.uni-kl.de
    One of the key problems when extending relational database query languages to include deductive capabilities, is to provide them with efficient methods for answering recursive que...
    W. Yan, Nelson Mendonça Mattos
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    VLDB
    1993
    ACM
    121views Database» more  VLDB 1993»
    Integrity Constraint and Rule Maintenance in Temporal Deductive Knowledge Bases
    13 years 9 months ago
    Integrity Constraint and Rule Maintenance in Temporal Deductive Knowledge Bases
    Download  www.vldb.org
    The enforcement of semantic integrity constraints in data and knowledge bases constitutea a major performance bottleneck. Integrity constraint simplification methods aim at reduci...
    Dimitris Plexousakis
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    ICDT
    2010
    ACM
    180views Database» more  ICDT 2010»
    Composing local-as-view mappings: closure and applications
    13 years 9 months ago
    Composing local-as-view mappings: closure and applications
    Download  www.dit.unitn.it
    Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping ...
    Patricia C. Arocena, Ariel Fuxman, Renée J....
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    IJFCS
    2008
    108views more  IJFCS 2008»
    Basic Algorithm for Attribute Implications and Functional Dependencies in Graded Setting
    13 years 5 months ago
    Basic Algorithm for Attribute Implications and Functional Dependencies in Graded Setting
    Download  vychodil.inf.upol.cz
    We present GLinClosure, a graded extension of the well-known LinClosure algorithm. GLinClosure can be used to compute degrees of semantic entailment from sets of fuzzy attribute i...
    Radim Belohlávek, Vilém Vychodil
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    VLDB
    1987
    ACM
    63views Database» more  VLDB 1987»
    Direct Algorithms for Computing the Transitive Closure of Database Relations
    13 years 9 months ago
    Direct Algorithms for Computing the Transitive Closure of Database Relations
    Download  www.vldb.org
    Rakesh Agrawal, H. V. Jagadish
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