104 search results - page 3 / 21 » Querying Mediated Geographic Data Sources |
PDIS
1996
IEEE
13 years 11 months ago
1996
IEEE
Users today are struggling to integrate a broad range of information sources providing di erent levels of query capabilities. Currently, data sources with di erent and limitedcapa...
DILS
2005
Springer
14 years 1 months ago
2005
Springer
BioMediator is a data integration system that provides a common interface to multiple Internet-accessible databases containing information about genetics and molecular biology. Ont...
COOPIS
2002
IEEE
14 years 14 days 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...
ADBIS
2001
Springer
14 years 18 hour ago
2001
Springer
Three join algorithms are evaluated in an environment with distributed main-memory based mediators and data sources. A streamed ship-out join ships bulks of tuples to a mediator ne...
JLP
2000
13 years 7 months ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...