726 search results - page 23 / 146 » Extended Query Answering Using Integrity Rules |
WISE
2000
Springer
14 years 1 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
COOPIS
2003
IEEE
14 years 1 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...
KDD
1994
ACM
14 years 21 days ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
GLOBE
2008
Springer
13 years 9 months ago
2008
Springer
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
EDBTW
2006
Springer
14 years 8 days ago
2006
Springer
Abstract. In recent times, the proliferation of spatial data on the Internet is beginning to allow a much larger audience to access and share data currently available in various Ge...