815 search results - page 31 / 163 » Ontology-based integration for relational databases |
LPNMR
2005
Springer
14 years 3 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...
DEXAW
2004
IEEE
14 years 1 months ago
2004
IEEE
Data exchange between embedded systems and other small or large computing devices increases. Since data in different data sources may refer to the same real world objects, data ca...
ICDE
1995
IEEE
14 years 11 months ago
1995
IEEE
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
AIIA
2005
Springer
14 years 3 months ago
2005
Springer
In traditional classification setting, training data are represented as a single table, where each row corresponds to an example and each column to a predictor variable or the targ...
SSD
2009
Springer
14 years 2 months ago
2009
Springer
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...