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Checking integrity constraints in real-time databases is an important field of investigation. This paper investigates the approaches to check topological integrity constraints depending on objects select a different integrity constraint on different times for many existing constraints. The topological integrity constraints are order Hamiltonian paths in directed graphs. Moreover, in a fixed period...
It is by no means a trivial task to ensure if a composition of web services is doing a right thing (i.e. fulfilling the service requirement from users, or hard constraints) and at the same time doing the thing right (i.e. achieving acceptable degree of service quality, or soft constraint). Difficulties lie on (i) unifying the verification of hard constraints and soft constraints of a service into...
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