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» Repairing Queries in a Mediator Approach
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AMAI
2005
Springer
13 years 7 months ago
A SAT approach to query optimization in mediator systems
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
Steven David Prestwich, Stéphane Bressan
COOPIS
1999
IEEE
14 years 5 days ago
Selectively Materializing Data in Mediators by Analyzing User Queries
There is currently great interest in building information mediators that can integrate informationfrom multipledata sources such as databases or Web sources. The query response ti...
Naveen Ashish, Craig A. Knoblock, Cyrus Shahabi
IAJIT
2010
133views more  IAJIT 2010»
13 years 6 months ago
Mediation Queries Adaptation After the Removal of a Data Source
: 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...
Latifa Baba-hamed
DPD
2002
114views more  DPD 2002»
13 years 7 months ago
Query Decomposition for a Distributed Object-Oriented Mediator System
The mediator-wrapper approach to integrate data from heterogeneous data sources has usually been centralized in the sense that a single mediator system is placed between a number o...
Vanja Josifovski, Tore Risch
NGITS
1995
Springer
13 years 11 months ago
The TSIMMIS Approach to Mediation: Data Models and Languages
TSIMMIS—TheStanford-IBMManagerofMultipleInformationSources—isasystemforintegrating information. It offers a data model and a common query language that are designed to support ...
Hector Garcia-Molina, Dallan Quass, Yannis Papakon...