万灵药
发表于 2025-3-21 19:59:59
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掺和
发表于 2025-3-21 22:15:45
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不可救药
发表于 2025-3-22 02:54:21
Set containment inference,stency and inference for collections of statements of the form mammal . vertebrate..These . statements relate the contents of two sets (or types). The work here is new in permitting statements with negative information: disjointness of sets, or non-inclusion of sets. For example, we permit the follo
母猪
发表于 2025-3-22 08:24:11
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驳船
发表于 2025-3-22 11:47:33
,On the desirability of γ-acyclic BCNF database schemes,rst prove that this class of schemes is bounded with respect to the set of functional dependencies embodied in the database scheme. This result enlarges the class of known bounded database schemes. We then show that this class of schemes is simple in semantics by proving that there is a simple and e
Nerve-Block
发表于 2025-3-22 15:06:34
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Brittle
发表于 2025-3-22 19:42:37
Unsolvable problems related to the view integration approach, groups. For each such user group the requirements and expectations are separately specified as simple view database schemes, which are subsequently integrated into a global scheme that is able to support all views..In this paper we present a simple, formal specification method for view integration,
减去
发表于 2025-3-22 21:58:13
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网络添麻烦
发表于 2025-3-23 04:25:16
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vasospasm
发表于 2025-3-23 07:19:43
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