2845 search results - page 54 / 569 » Constraints over Ontologies |
AI
2010
Springer
13 years 9 months ago
2010
Springer
We develop a formal framework for comparing different versions of ontologies, and apply it to ontologies formulated in terms of DL-Lite, a family of `lightweight' description...
TIME
2006
IEEE
14 years 2 months ago
2006
IEEE
In this paper, we consider quantitative temporal or spatial constraint networks whose constraints evolve over time in an ultimately periodic fashion. These constraint networks are...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Recent work on ontology-based Information Extraction (IE) has tried to make use of knowledge from the target ontology in order to improve semantic annotation results. However, ver...
SEMWEB
2009
Springer
14 years 1 months ago
2009
Springer
Scalable query answering over Description Logic (DL) based ontologies plays an important role for the success of the Semantic Web. Towards tackling the scalability problem, we prop...
DLOG
2010
13 years 7 months ago
2010
Abstract. A usage scenario of bio-ontologies is hypothesis testing, such as finding relationships or new subconcepts in the data linked to the ontology. Whilst validating the hypot...