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DKE
2006
100views more  DKE 2006»
13 years 11 months ago
An ontology based approach to the integration of entity-relationship schemas
In schema integration, schematic discrepancies occur when data in one database correspond to metadata in another. We explicitly declare the context that is the meta information re...
Qi He, Tok Wang Ling
ICDT
2010
ACM
195views Database» more  ICDT 2010»
14 years 3 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
ISCC
2006
IEEE
129views Communications» more  ISCC 2006»
14 years 5 months ago
A Semantic Overlay Network for P2P Schema-Based Data Integration
Abstract— Today data sources are pervasive and their number is growing tremendously. Current tools are not prepared to exploit this unprecedented amount of information and to cop...
Carmela Comito, Simon Patarin, Domenico Talia
BTW
2001
Springer
129views Database» more  BTW 2001»
14 years 3 months ago
Schema Evolution in Federated Information Systems
Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
Susanne Busse, Claudia Pons
VLDB
2011
ACM
245views Database» more  VLDB 2011»
13 years 6 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov