221 search results - page 22 / 45 » Modular Ontologies - A Formal Investigation of Semantics and... |
ISPA
2005
Springer
14 years 2 months ago
2005
Springer
The wide scale usage of OWL for the formalization of real-world ontologies is currently influenced by important limitations which concern both its expressivity and the efficiency ...
DEXA
2009
Springer
14 years 3 months ago
2009
Springer
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
WWW
2011
ACM
13 years 3 months ago
2011
ACM
We propose a description-logic style extension of OWL 2 with nominal schemas which can be used like“variable nominal classes”within axioms. This feature allows ontology langua...
DLOG
2000
13 years 10 months ago
2000
Recently, there has been a wide interest in using ontologies on the Web. As a basis for this, RDF Schema (RDFS) provides means to define vocabulary, structure and constraints for ...
OOPSLA
2009
Springer
14 years 3 months ago
2009
Springer
Multiple inheritance has long been plagued with the “diamond” inheritance problem, leading to solutions that restrict expressiveness, such as mixins and traits. Instead, we ad...