103 search results - page 13 / 21 » Checking Violation Tolerance of Approaches to Database Integ... |
AAAI
2010
13 years 9 months ago
2010
In many data-centric applications, it is desirable to use OWL as an expressive schema language with which one expresses constraints that must be satisfied by instance data. However...
PTS
1998
13 years 9 months ago
1998
Based on the notion of event-based behavioral abstraction EBBA we specify properties of object-oriented distributed systems in linear time temporal logic. These properties are the...
VLDB
1990
ACM
13 years 11 months ago
1990
ACM
: The problem of view updatesin deductive databasesis studiedby casting this in anaturally associatedabductive framework.It is shownthat this abductiveapproachdeals successfully, i...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Data integrated from multiple sources may contain inconsistencies that violate integrity constraints. The constraint repair problem attempts to find "low cost" changes t...