ER
2007
Springer
14 years 6 months ago
2007
Springer
ER
2007
Springer
14 years 6 months ago
2007
Springer
ER
2007
Springer
14 years 6 months ago
2007
Springer
An information system maintains a representation of the state of the domain in its Information Base (IB). The state of the IB changes due to the execution of the operations defined...
ER
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...
ER
2007
Springer
14 years 6 months ago
2007
Springer
Although it is possible to present XML Schema graphically, resentations do not raise the level of abstraction for XML schemata in the same way traditional conceptual models raise t...
ER
2007
Springer
14 years 6 months ago
2007
Springer
Although OWL provides a solid basis for many semantic-web applications, it lacks sufficient declarative semantics for instance recognition. This omission prevents OWL from being a ...
ER
2007
Springer
14 years 6 months ago
2007
Springer
This paper intends to classify, review, and compare the existing languages for the specification of spatial integrity constraints at the conceptual level. We classify these languag...
ER
2007
Springer
14 years 6 months ago
2007
Springer
We present the semantic data model for an ontological database for subcellular anatomy for Neurosciences. The data model builds upon the foundations of OWL and the Basic Formal Ont...
ER
2007
Springer
14 years 6 months ago
2007
Springer
Model transformations are playing a vital role in the field of model engineering. However, for non-trivial transformation issues most approaches require imperative definitions, w...
ER
2007
Springer
14 years 6 months ago
2007
Springer
Ensuring the semantic and topological correctness of spatial data is an important requirement in geographical information systems and spatial database systems in order to preserve ...