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» Ontology-based integration for relational databases
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VLDB
1994
ACM
152views Database» more  VLDB 1994»
15 years 1 months ago
The GMAP: A Versatile Tool for Physical Data Independence
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
Odysseas G. Tsatalos, Marvin H. Solomon, Yannis E....
ICDE
2007
IEEE
179views Database» more  ICDE 2007»
15 years 4 months ago
A New ILP-based Concept Discovery Method for Business Intelligence
In this work, we propose a multi-relational concept discovery method for business intelligence applications. Multi-relational data mining finds interesting patterns that span ove...
Seda Daglar Toprak, Pinar Senkul, Yusuf Kavurucu, ...
ICDE
2003
IEEE
139views Database» more  ICDE 2003»
15 years 11 months ago
Super-Fast XML Wrapper Generation in DB2: A Demonstration
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
Vanja Josifovski, Sabine Massmann, Felix Naumann
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
15 years 11 months ago
Merging Hierarchies Using Object Placement
The main challenge in integrating two hierarchies is determining the correspondence between the nodes and edges of each hierarchy. Traditionally, the correspondence is determined ...
Kai Zhao, Robert Ikeda, Hector Garcia-Molina
VLDB
2007
ACM
139views Database» more  VLDB 2007»
15 years 10 months ago
FuSem - Exploring Different Semantics of Data Fusion
Data fusion is the final step of a typical data integration process, after schematic conflicts have been overcome and after duplicates have been correctly identified. We present t...
Jens Bleiholder, Karsten Draba, Felix Naumann