249 search results - page 33 / 50 » Ontology-Driven Semantic Matches between Database Schemas |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
OTM
2005
Springer
14 years 3 months ago
2005
Springer
In this paper we will concentrate on the conceptual modeling and semantics of service delegation and alignment in information systems. In delegation, one typically has the situatio...
SSDBM
2005
IEEE
14 years 3 months ago
2005
IEEE
To discover knowledge or retrieve information from a relational database, a user often needs to find objects related to certain source objects. There are two main challenges in b...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Schema mappings are logical assertions that specify the relationships between a source and a target schema in a declarative way. The specification of such mappings is a fundamenta...
PAKDD
1999
ACM
14 years 2 months ago
1999
ACM
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...