44 search results - page 1 / 9 » Leveraging Mediator Cost Models with Heterogeneous Data Sour... |
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
ICDT
1999
ACM
13 years 9 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
ER
1999
Springer
13 years 9 months ago
1999
Springer
Several federated database systems have been built in the past using the relational or the object model as federating model. This paper gives an overview of the XMLMedia system, a ...
IAJIT
2010
13 years 3 months ago
2010
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
COOPIS
1998
IEEE
13 years 9 months ago
1998
IEEE
This paper reports on a practical implementation of a context mediator for the fixed income securities industry. We describe industry circumstances and the data and calculation se...