Titlebook: Constraint Databases and Applications; Second International Volker Gaede,Alexander Brodsky,Mark Wallace Conference proceedings 1996 Springe

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書(shū)目名稱(chēng)Constraint Databases and Applications影響因子(影響力)




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,Computing the well-founded semantics for constraint extensions of datalog?, enhanced with a new refinement strategy for deriving negative conclusions. This approach leads to an efficient and terminating query evaluation algorithm that preserves the goal-oriented nature of the resolution based methods.

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華而不實(shí)

On expressing topological connectivity in spatial Datalog,tivity query for these databases in spatial Datalog. In [10], a spatial Datalog program for piecewise linear connectivity was given and proved to correctly test the connectivity of linear spatial databases. In particular, the program was proved to terminate on these inputs. Here, we generalize this

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Integrity constraint checking in Chimera,y expressed as, for instance, logical formulae. Since the database is expected to be consistent with respect to these properties, one important issue is the verification of integrity constraints upon updates. Such a operation is called . or .. Constraint verification is potentially an expensive oper

異端邪說(shuō)2

SICSDD: Techniques and implementation,stem provides complete functionality and an efficient strategy for constraint enforcement. Complete functionality is attained through a modular and extensible architecture in which several techniques are incorporated. These are either modifications/extensions of techniques developed by other researc