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ICTAI
2003
IEEE
14 years 3 months ago
Ontology-Based Medical Image Annotation with Description Logics
The interpretation of medical evidence is normally presented in terms of a controlled, but diversely expressed specialist vocabulary and natural language phrases. Such informally ...
Bo Hu, Srinandan Dasmahapatra, Paul H. Lewis, Nige...
KCAP
2003
ACM
14 years 3 months ago
Modularisation of domain ontologies implemented in description logics and related formalisms including OWL
Modularity is a key requirement for large ontologies in order to achieve re-use, maintainability, and evolution. Mechanisms for ‘normalisation’ to achieve analogous aims are s...
Alan L. Rector
KR
2010
Springer
14 years 2 months ago
Query and Predicate Emptiness in Description Logics
Ontologies can be used to provide an enriched vocabulary for the formulation of queries over instance data. We identify query emptiness and predicate emptiness as two central reas...
Franz Baader, Meghyn Bienvenu, Carsten Lutz, Frank...
ECAI
2000
Springer
14 years 2 months ago
Using Description Logics for Ontology Extraction
The paper presents a prototype of a system for querying the Web in natural language (French) for a limited domain. The domain knowledge, represented in description logics (DL), is ...
Amalia Todirascu, François de Bertrand de B...
AAAI
2008
14 years 7 days ago
Worst-case Optimal Conjunctive Query Answering for an Expressive Description Logic without Inverses
Answering conjunctive queries (CQs) has been recognized as a key task for the usage of Description Logics (DLs) in a number of applications, and has thus been studied by many auth...
Magdalena Ortiz, Mantas Simkus, Thomas Eiter