85 search results - page 6 / 17 » Conservative Extensions in Expressive Description Logics |
DLOG
2007
13 years 10 months ago
2007
Abstract. This paper presents a tableau approach for deciding description logics outside the scope of OWL DL and current state-of-the-art tableau-based description logic systems. I...
DLOG
2008
13 years 10 months ago
2008
Abstract. We show that subsumption problems in EL and related description logics can be expressed as uniform word problems in classes of semilattices with monotone operators. We us...
DLOG
1996
13 years 9 months ago
1996
Number restrictions are concept constructors that are available in almost all implemented description logic systems. However, even though there has lately been considerable effort...
DLOG
2011
12 years 11 months ago
2011
We propose an extension of SROIQ with nominal schemas which can be used like “variable nominal concepts” within axioms. This feature allows us to express arbitrary DL-safe rule...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we incorporate concrete domain and action theory into a very expressive Description Logic (DL), called ALCQO. Notably, this extension can significantly augment the ...