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FOIKS
2004
Springer
15 years 5 months ago
Simplification of Integrity Constraints for Data Integration
When two or more databases are combined into a global one, integrity may be violated even when each database is consistent with its own local integrity constraints. Efficient metho...
Henning Christiansen, Davide Martinenghi
IQIS
2005
ACM
15 years 7 months ago
Data quality inference
In the field of sensor networks, data integration and collaboration, and intelligence gathering efforts, information on the quality of data sources are important but are often not...
Raymond K. Pon, Alfonso F. Cardenas
ENTCS
2006
123views more  ENTCS 2006»
15 years 1 months ago
Wrapping of Web Sources with restricted Query Interfaces by Query Tunneling
Information sources in the World Wide Web usually offer two different schemes to their users, an Interface Schema which the user can query and a Result Schema which the user can b...
Thomas Kabisch, Mattis Neiling
COOPIS
2002
IEEE
15 years 7 months ago
Querying XML Sources Using an Ontology-Based Mediator
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...
Bernd Amann, Catriel Beeri, Irini Fundulaki, Miche...
HICSS
2002
IEEE
120views Biometrics» more  HICSS 2002»
15 years 7 months ago
Real Time Decision Support System for Portfolio Management
We describe our real time decision support system; a system that supports information gathering and managing of an investment portfolio. Our system uses the Object Oriented Bayesi...
Chiu-Che Tseng, Piotr J. Gmytrasiewicz