232 search results - page 29 / 47 » Using an Expressive Description Logic: FaCT or Fiction |
CSL
1999
Springer
13 years 11 months ago
1999
Springer
Hybrid languages are extended modal languages which can refer to (or even quantify over) states. Such languages are better behaved proof theoretically than ordinary modal languages...
ASIAN
1998
Springer
13 years 11 months ago
1998
Springer
In recent years, several semantics for place/transition Petri nets have been proposed that adopt the collective token philosophy. We investigate distinctions and similarities betwe...
DLOG
2007
13 years 9 months ago
2007
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present a decision procedure for conjunctive query...
DLOG
2008
13 years 9 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...
FOIS
2006
13 years 9 months ago
2006
A critical problem for practical KR is dealing with relationships that change over time. This problem is compounded by representation languages such as OWL that are biased towards ...