galley
发表于 2025-3-23 11:55:19
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GUISE
发表于 2025-3-23 14:07:35
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machination
发表于 2025-3-23 19:41:51
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弄脏
发表于 2025-3-23 22:34:33
Contextualism, Factivity and Closurehe presence of integrity constraints, containment can be reduced to equivalence. For conjunctive . and .-queries, simpler characterizations for containment are given, that do not require checking equivalence. These results are built upon in order to solve the problem of finding maximally-contained sets of rewritings for conjunctive .-queries.
Iatrogenic
发表于 2025-3-24 04:54:56
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谁在削木头
发表于 2025-3-24 07:23:51
https://doi.org/10.1007/978-3-319-94926-0atisfy the path expressions and are related to one another in a meaningful fashion. Different semantics for evaluation are given that take into account the possible presence of incomplete information. The complexity of generating relations from documents is analyzed and evaluation algorithms are described.
没有准备
发表于 2025-3-24 14:40:16
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Mutter
发表于 2025-3-24 18:22:30
Approximations in Database Systemshe most important data approximation problems and attempt to put them in a common framework and identify their similarities and differences. We then hint on some open and challenging problems that we believe are worth investigating.
Sciatica
发表于 2025-3-24 19:11:14
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污点
发表于 2025-3-25 00:33:37
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