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FOIKS
2004
Springer
14 years 18 days 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
KYOTODL
2000
122views more  KYOTODL 2000»
13 years 10 months ago
Federation Services for Heterogeneous Digital Libraries Accessing Cooperative and Non-Cooperative Sources
Today, bibliographical information is kept in a variety of digital libraries available on the Internet. The integration of bibliographical data is considered as one of the most im...
Martin Endig, Michael Höding, Gunter Saake, K...
SEMWEB
2009
Springer
14 years 3 months ago
What Four Million Mappings Can Tell You about Two Hundred Ontologies
The field of biomedicine has embraced the Semantic Web probably more than any other field. As a result, there is a large number of biomedical ontologies covering overlapping area...
Amir Ghazvinian, Natalya Fridman Noy, Clement Jonq...
ER
2004
Springer
104views Database» more  ER 2004»
14 years 2 months ago
Incremental Navigation: Providing Simple and Generic Access to Heterogeneous Structures
Abstract. We present an approach to support incremental navigation of structured information, where the structure is introduced by the data model and schema (if present) of a data ...
Shawn Bowers, Lois M. L. Delcambre
BNCOD
2001
101views Database» more  BNCOD 2001»
13 years 10 months ago
Limiting Result Cardinalities for Multidatabase Queries Using Histograms
Abstract. Integrating, cleaning and analyzing data from heterogeneous sources is often complicated by the large amounts of data and its physical distribution which can result in po...
Kai-Uwe Sattler, Oliver Dunemann, Ingolf Geist, Gu...