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» On the Role of Integrity Constraints in Data Integration
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SIGMOD
2011
ACM
198views Database» more  SIGMOD 2011»
14 years 15 days ago
U-MAP: a system for usage-based schema matching and mapping
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
Hazem Elmeleegy, Jaewoo Lee, El Kindi Rezig, Moura...
ISASSCI
2001
14 years 11 months ago
Data Mining Architectures - A Comparative Study
Data mining is the process of deriving knowledge from data. The architecture of a data mining system plays a significant role in the efficiency with which data is mined. It is pro...
Thomas Thomas, Sanjeev Jayakumar, B. Muthukumaran
CII
2008
103views more  CII 2008»
14 years 9 months ago
Moving from syntactic to semantic organizations using JXML2OWL
Today's enterprises face critical needs in integrating disparate information spread over several data sources inside and even outside the organization. Most organizations alre...
Toni Rodrigues, Pedro Rosa, Jorge Cardoso
ICDE
2007
IEEE
127views Database» more  ICDE 2007»
15 years 11 months ago
Efficiently Detecting Inclusion Dependencies
Data sources for data integration often come with spurious schema definitions such as undefined foreign key constraints. Such metadata are important for querying the database and ...
Jana Bauckmann, Ulf Leser, Felix Naumann, Veroniqu...
GIS
2008
ACM
15 years 10 months ago
An inconsistency tolerant approach to querying spatial databases
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original insta...
Leopoldo E. Bertossi, Mónica Caniupá...