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KR
1998
Springer
14 years 2 months ago
Using an Expressive Description Logic: FaCT or Fiction?
Description Logics form a family of formalisms closely related to semantic networks but with the distinguishing characteristic that the semantics of the concept description langua...
Ian Horrocks
DLOG
2007
14 years 11 days ago
Description Logic vs. Order-Sorted Feature Logic
We compare and contrast Description Logic (DL) and Order-Sorted Feature (OSF) Logic from the perspective of using them for expressing and reasoning with knowledge structures of the...
Hassan Aït-Kaci
CADE
2008
Springer
14 years 10 months ago
The Complexity of Conjunctive Query Answering in Expressive Description Logics
Abstract. Conjunctive query answering plays a prominent role in applications of description logics (DLs) that involve instance data, but its exact complexity was a long-standing op...
Carsten Lutz
AUSAI
1999
Springer
14 years 2 months ago
Computing Least Common Subsumers in Expressive Description Logics
Computing least common subsumers in description logics is an important reasoning service useful for a number of applications. As shown in the literature, this reasoning service ca...
Thomas Mantay
JAIR
1998
163views more  JAIR 1998»
13 years 9 months ago
A Temporal Description Logic for Reasoning about Actions and Plans
A class of interval-based temporal languages for uniformly representing and reasoning about actions and plans is presented. Actions are represented by describing what is true whil...
Alessandro Artale, Enrico Franconi