805 search results - page 28 / 161 » On the Role of Integrity Constraints in Data Integration |
SAS
2004
Springer
15 years 3 months ago
2004
Springer
Role logic is a notation for describing properties of relational structures in shape analysis, databases and knowledge bases. A natural fragment of role logic corresponds to two-va...
CORR
2004
Springer
14 years 9 months ago
2004
Springer
We have previously introduced role logic as a notation for describing properties of relational structures in shape analysis, databases and knowledge bases. A natural fragment of ro...
IAJIT
2008
14 years 9 months ago
2008
: In this paper a run-time model is proposed. The run-time model enforces integrity constraints for attributes that are derived from composition and inheritance hierarchies. The ru...
COOPIS
2003
IEEE
15 years 3 months ago
2003
IEEE
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
TIME
1994
IEEE
15 years 1 months ago
1994
IEEE
This paper outlines a generic, core temporal object model that provides support for the modeling of temporal object roles. This model draws from notions introduced in some of our ...