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IJCAI
2003
13 years 9 months ago
Decidability of SHIQ with Complex Role Inclusion Axioms
Motivated by medical terminology applications, we investigate the decidability of the well known expressive DL, SHIQ, extended with role inclusion axioms (RIAs) of the form R ◦ ...
Ian Horrocks, Ulrike Sattler
ICALP
2007
Springer
14 years 1 months ago
Modular Algorithms for Heterogeneous Modal Logics
Abstract. State-based systems and modal logics for reasoning about them often heterogeneously combine a number of features such as non-determinism and probabilities. Here, we show ...
Lutz Schröder, Dirk Pattinson
AAAI
2007
13 years 10 months ago
Forgetting Actions in Domain Descriptions
Forgetting irrelevant/problematic actions in a domain description can be useful in solving reasoning problems, such as query answering, planning, conflict resolution, prediction,...
Esra Erdem, Paolo Ferraris
DLOG
2004
13 years 9 months ago
Using Non-Primitive Concept Definitions for Improving DL-based Knowledge Bases
Medical Terminological Knowledge Bases contain a large number of primitive concept definitions. This is due to the large number of natural kinds that are represented, and due to t...
Ronald Cornet, Ameen Abu-Hanna
TABLEAUX
2000
Springer
13 years 11 months ago
Benchmark Analysis with FaCT
FaCT (Fast Classification of Terminologies) is a Description Logic (DL) classifier that can also be used for modal logic satisfiability testing. The FaCT system includes two reason...
Ian Horrocks