158
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VLDB
1991
ACM
15 years 8 months ago
1991
ACM
We propose a new method for integrity checking in deductive databases.The methodaugmentsadatabasewith asetof transition and internal eventsrules,which explicitly definetheinsertio...
153
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VLDB
1991
ACM
15 years 8 months ago
1991
ACM
In order to cope efficiently with simple or complex queries as well as different application requirements (e.g., ad-hoc versus repetitive queries), a query optimizer ought to supp...
140
click to vote
VLDB
1991
ACM
15 years 8 months ago
1991
ACM
Domain mismatch and schema mismatch are two of the important semantic integration problems for interoperating heterogeneous databases. This paper structures the domain mismatch pr...
