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» A Data Model for Data Integration
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IJCAI
2003
15 years 8 months ago
Query rewriting and answering under constraints in data integration systems
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
Andrea Calì, Domenico Lembo, Riccardo Rosat...
BMCBI
2008
106views more  BMCBI 2008»
15 years 7 months ago
Integrating biological data - the Distributed Annotation System
Background: The Distributed Annotation System (DAS) is a widely adopted protocol for dynamically integrating a wide range of biological data from geographically diverse sources. D...
Andrew M. Jenkinson, Mario Albrecht, Ewan Birney, ...
ICDE
2002
IEEE
128views Database» more  ICDE 2002»
16 years 8 months ago
Efficiently Ordering Query Plans for Data Integration
The goal of a data integration system is to provide a uniform interface to a multitude of data sources. Given a user query formulated in this interface, the system translates it i...
AnHai Doan, Alon Y. Halevy
VLDB
2007
ACM
125views Database» more  VLDB 2007»
16 years 1 months ago
Data Integration with Uncertainty
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
Xin Luna Dong, Alon Y. Halevy, Cong Yu
ESWS
2008
Springer
15 years 8 months ago
Integrating Open Sources and Relational Data with SPARQL
We believe that the possibility to use SPARQL as a front end to heterogeneous data without significant cost in performance or expressive power is key to RDF taking its rightful pla...
Orri Erling, Ivan Mikhailov