2845 search results - page 3 / 569 » Constraints over Ontologies |
EON
2007
13 years 10 months ago
2007
We describe an approach to create a synthetic workload for large scale extensional query answering experiments. The workload comprises multiple interrelated domain ontologies, data...
SEMWEB
2009
Springer
14 years 3 months ago
2009
Springer
Ontologies are entities that evolve over time, therefore it is essential to represent and manage changes to ontologies along with the ontologies themselves. In this paper we propos...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
EUMAS
2006
13 years 10 months ago
2006
ed Abstract Ontologies play an important role in inter-agent communication, by providing the definitions of the vocabularies used by agents to describe the world [4]. An agent can ...
CMS
2006
13 years 10 months ago
2006
This paper presents a model for delegation based on partial orders, proposing the subclass relation in OWL as a way to represent the partial orders. Delegation and authorization de...