391 search results - page 23 / 79 » An ontology based approach to the integration of entity-rela... |
BNCOD
1998
13 years 9 months ago
1998
Correct transformations and integrations of schemata within the process of federated database design have to encompass existing local integrity constraints. Most of the proposed me...
IJSWIS
2007
13 years 7 months ago
2007
An ontology is a formal representation of a domain modeling the entities in the domain and their relations. When a domain is represented by multiple ontologies, there is need for ...
ER
2009
Springer
13 years 11 months ago
2009
Springer
Ontologies have been extensively used to model domain-specific knowledge. Recent research has applied ontologies to enhance the discovery and retrieval of geographic data in Spatia...
AO
2008
13 years 8 months ago
2008
Abstract. We address what is still a scarcity of general mathematical foundations for ontology-based semantic integration underlying current knowledge engineering methodologies in ...
GCC
2003
Springer
14 years 1 months ago
2003
Springer
Management of various complex resources is an important issue to be well done, in order to fulfill the potential of Grid. In this paper, we propose a formal data model and algebra ...