CLEAR
发表于 2025-3-23 20:08:24
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Ibd810
发表于 2025-3-23 23:25:07
Complex object multi-level fixpoint queries,pressing queries which involve deeply nested information in a flexible way, avoiding the need for explicit restructuring through nesting and unnesting. Another deals with extending the expressive power of the nested algebra, by providing iteration or recursion constructs, such as fixpoints. In this
宣称
发表于 2025-3-24 05:38:25
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TRAWL
发表于 2025-3-24 08:11:15
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暗讽
发表于 2025-3-24 14:45:00
Specifying operations for nested relations by rules and partial orders,e a class of purely lattice-based languages, each of them depending on a fixed partial order. We show that for each ordering the semantics of a program can be equivalently defined by minimal model and least fixpoint semantics. Thus our approach is semantically first order. Two well-known orderings —
offense
发表于 2025-3-24 17:29:52
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专心
发表于 2025-3-24 22:02:43
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笨重
发表于 2025-3-25 00:27:49
Actor-oriented specification of deontic integrity constraints,an specify in deontic logic that a book borrowed from a library should be returned within three weeks, and that if it is not returned, the library should send a reminder. Intuitively, deontic logic presupposes the concept of an . who undertakes actions and is responsible for fulfilling obligations.
calumniate
发表于 2025-3-25 05:49:50
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abracadabra
发表于 2025-3-25 10:32:03
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