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» Complexity of the Unique Extension Problem in Default Logic
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RWEB
2009
Springer
15 years 4 months ago
Description Logics
In this chapter we will introduce description logics, a family of logic-based knowledge representation languages that can be used to represent the terminological knowledge of an a...
Franz Baader
FUIN
2000
71views more  FUIN 2000»
14 years 9 months ago
The Nondeterministic Information Logic NIL is PSPACE-complete
The nondeterministic information logic NIL has been introduced by Orlowska and Pawlak in 1984 as a logic for reasoning about total information systems with the similarity, the forw...
Stéphane Demri
KI
2006
Springer
14 years 9 months ago
A New n-ary Existential Quantifier in Description Logics
Motivated by a chemical process engineering application, we introduce a new concept constructor in Description Logics (DLs), an n-ary variant of the existential restriction constr...
DLOG
2009
14 years 7 months ago
Reasoning About Typicality in ALC and EL
In this work we summarize our recent results on extending Description Logics for reasoning about prototypical properties and inheritance with exceptions. First, we focus our attent...
Laura Giordano, Valentina Gliozzi, Nicola Olivetti...
KI
2007
Springer
15 years 3 months ago
Pinpointing in the Description Logic EL+
Axiom pinpointing has been introduced in description logics (DLs) to help the user understand the reasons why consequences hold by computing minimal subsets of the knowledge base t...
Franz Baader, Rafael Peñaloza, Boontawee Su...