262 search results - page 4 / 53 » Reasoning and Explanation in EL and in Expressive Descriptio... |
KRMED
2008
13 years 9 months ago
2008
Snomed ct is a large-scale medical ontology, which is developed using a variant of the inexpressive Description Logic EL. Description Logic reasoning can not only be used to compu...
RR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. A four-valued description logic has been proposed to reason with description logic based inconsistent knowledge bases. This approach has a distinct advantage that it can ...
LPAR
2007
Springer
14 years 1 months ago
2007
Springer
We study the data complexity of instance checking and conjunctive query answering in the EL family of description logics, with a particular emphasis on the boundary of tractability...
CADE
2008
Springer
14 years 8 months ago
2008
Springer
Abstract. We consider the problem of computing the logical difference between distinct versions of description logic terminologies. For the lightweight description logic EL, we pre...
HIS
2009
13 years 5 months ago
2009
Recent years have witnessed the wide recognition of the importance of ontology and rule in the AI research. In this paper, we report our implementation and evaluation of a rule-ba...