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» Closed Terminologies in Description Logics
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KR
1998
Springer
14 years 23 days ago
Foundations of Spatioterminological Reasoning with Description Logics
This paper presents a method for reasoning about spatial objects and their qualitative spatial relationships. In contrast to existing work, which mainly focusses on reasoning abou...
Volker Haarslev, Carsten Lutz, Ralf Möller
KR
2000
Springer
14 years 4 days ago
Expressive ABox Reasoning with Number Restrictions, Role Hierarchies, and Transitively Closed Roles
We present a new tableaux calculus deciding the ABox consistency problem for the expressive description logic ALCNHR+ . Prominent language features of ALCNHR+ are number restricti...
Volker Haarslev, Ralf Möller
LILOG
1989
14 years 18 days ago
Representation and Reasoning with Attributive Descriptions
This paper surveys terminological representation languages and feature-based unification grammars pointing out the similarities and differences between these two families of att...
Bernhard Nebel, Gert Smolka
AIME
2007
Springer
14 years 2 months ago
Replacing SEP-Triplets in SNOMED CT Using Tractable Description Logic Operators
Reification of parthood relations according to the SEP-triplet encoding pattern has been employed in the clinical terminology SNOMED CT to simulate transitivity of the part-of rel...
Boontawee Suntisrivaraporn, Franz Baader, Stefan S...
SAC
2010
ACM
14 years 3 months ago
Towards the induction of terminological decision trees
A concept learning framework for terminological representations is introduced. It is grounded on a method for inducing logic decision trees as an adaptation of the classic tree in...
Nicola Fanizzi, Claudia d'Amato, Floriana Esposito