Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Schulz, S; Romacker, M; Hahn, U.
Part-whole reasoning in medical knowledge bases using description logics
LECT NOTE ARTIF INTELL. 1998; 1504: 237-248.
Doi: 10.1007/BFb0095443
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- Führende Autor*innen der Med Uni Graz
- Schulz Stefan
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- Abstract:
- The development of powerful, ubiquitous and comprehensive medical ontologies that support formal reasoning on a large scale is one of the key requirements for clinical computing. Taxonomic medical knowledge, a major portion of these ontologies, is fundamentally characterized by is-a and part-whole relationships between concepts. While reasoning in generalization hierarchies is a well-understood process, no fully conclusive mechanism yet exists for part-whole reasoning. We here propose a new representation construct for part-whole relations based on the formal framework of description logics, i.e. the well-known concept language ALC, and show how part-whole reasoning can naturally be emulated via classification-based reasoning without extending the expressiveness of the underlying terminological system.