WWW
2011
ACM
12 years 11 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
2010
13 years 2 months ago
2010
We describe Orel, a reasoning system for an ontology language which subsumes both the EL and the RL profile of the recently standardised web ontology language OWL 2. Orel performs ...
JAIR
2008
13 years 4 months ago
2008
In this paper, we propose a set of tasks that are relevant for the modular reuse of ontologies. In order to formalize these tasks as reasoning problems, we introduce the notions o...
IADIS
2003
13 years 6 months ago
2003
Ontologies in a web setting, particularly those used in a group context (such as a virtual community), need to be flexible and open to changes that reflect the evolution of knowle...
FOIS
2006
13 years 6 months ago
2006
Abstract. Across a wide range of domains, there is an urgent need for a wellfounded approach to incorporating uncertain and incomplete knowledge into formal domain ontologies. Alth...
ASWC
2006
Springer
13 years 8 months ago
2006
Springer
The Web Ontology Language (OWL), which is a Description Logic based ontology language, is widely used to represent formal definitions of vocabularies for domain knowledge, especial...
COOPIS
2002
IEEE
13 years 9 months ago
2002
IEEE
We extend the description logic ¢¤£¦¥¦§©¨ with a preference order on the axioms. With this strict partial order certain axioms can be overruled, if defeated with more ...
CAISE
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. The definition of a domain ontology is a complex activity that requires two kinds of expertise: a deep knowledge of the domain to be modeled and a good level of familiari...
CAISE
2004
Springer
13 years 10 months ago
2004
Springer
tween documents. They should allow for an abstract representation of data which resembles the way they are actually perceived and used in the real world, thus shortening (with resp...
ADVIS
2006
Springer
13 years 10 months ago
2006
Springer
Abstract. Contextual ontologies are ontologies that characterize a concept by a set of properties that vary according to context. Contextual ontologies are now crucial for users wh...