1928 search results - page 22 / 386 » Integrity Constraints in OWL |
ER
1999
Springer
15 years 4 months ago
1999
Springer
During the process of updating a database, two interrelated problems could arise. On one hand, when an update is applied to the database, integrity constraints could become violat...
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VLDB
1991
ACM
15 years 3 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...
PVLDB
2008
14 years 10 months ago
2008
Integrity constraints, a.k.a. data dependencies, are being widely used for improving the quality of schema. Recently constraints have enjoyed a revival for improving the quality o...
GIS
1999
ACM
15 years 4 months ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
CORR
2010
Springer
14 years 10 months ago
2010
Springer
We study active integrity constraints and revision programming, two formalisms designed to describe integrity constraints on databases and to specify policies on preferred ways to...