429 search results - page 4 / 86 » A SAT approach to query optimization in mediator systems |
BXML
2003
13 years 10 months ago
2003
: The integration of heterogenous web sources is still a big challenge. One approach to deal with integration problems is the usage of domain knowledge in form of vocabularies or o...
DASFAA
2003
IEEE
14 years 1 months ago
2003
IEEE
To integrate many data sources we use a peer mediator framework where views defined in the peers are logically composed in terms of each other. A common approach to execute queri...
NGITS
1995
Springer
14 years 3 days ago
1995
Springer
TSIMMIS—TheStanford-IBMManagerofMultipleInformationSources—isasystemforintegrating information. It offers a data model and a common query language that are designed to support ...
GIS
2002
ACM
13 years 8 months ago
2002
ACM
The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order t...
COOPIS
2002
IEEE
14 years 1 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...