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IANDC
2010
113views more  IANDC 2010»
13 years 8 months ago
Numerical constraints on XML data
Sven Hartmann, Sebastian Link
SEMWEB
2010
Springer
13 years 8 months ago
Adding Integrity Constraints to the Semantic Web for Instance Data Evaluation
This paper presents our work on supporting evaluation of integrity constraint issues in semantic web instance data. We propose an alternative semantics for the ontology language, i...
Jiao Tao
APCCM
2008
14 years 9 days ago
Constraint Acquisition - You Can Chase but You Cannot Find
We identify established tableaux techniques as an invaluable tool for semantic knowledge acquisition in the design process of relational databases. Sample databases allow users an...
Sven Hartmann, Sebastian Link, Thu Trinh
CLEANDB
2006
ACM
163views Database» more  CLEANDB 2006»
14 years 4 months ago
Circumventing Data Quality Problems Using Multiple Join Paths
We propose the Multiple Join Path (MJP) framework for obtaining high quality information by linking fields across multiple databases, when the underlying databases have poor qual...
Yannis Kotidis, Amélie Marian, Divesh Sriva...
FOIKS
2004
Springer
14 years 2 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