Titlebook: Database and Expert Systems Applications; 24th International C Hendrik Decker,Lenka Lhotská,A Min Tjoa Conference proceedings 2013 Springer

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Kolumban Hutter Ph.D.,Klaus Jöhnkimate CFDs and presenting three discovery algorithms ., . and . as extensions of existing algorithms with renewed techniques. First, . introduces a global FP-tree traversal for finding Right-hand Side items. Second, . uses a modified pruning strategy. Third, . adopts a minimal coverset that is used

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的阐明

Evacuate

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https://doi.org/10.1007/978-3-642-29500-3e federation. LAV mediators rely on query rewriters to translate mediator queries into equivalent queries on the federated data sources. The query rewriting problem in LAV mediators has shown to be NP-complete, and there may be an exponential number of rewritings, making unfeasible the execution or

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intimate

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Database and Expert Systems Applications978-3-642-40285-2Series ISSN 0302-9743 Series E-ISSN 1611-3349

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hieroglyphic