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Selected Publication:

Ceusters, W; Desimpel, I; Smith, B; Schulz, S.
Using cross-lingual information to cope with underspecification in formal ontologies.
Stud Health Technol Inform. 2003; 95(22):391-396
PubMed

 

Authors Med Uni Graz:
Schulz Stefan
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Abstract:
Description logics and other formal devices are frequently used as means for preventing or detecting mistakes in ontologies. Some of these devices are also capable of inferring the existence of inter-concept relationships that have not been explicity entered into an ontology. A prerequisite, however, is that this information can be derived from those formal definitions of concepts and relationships which are included within the ontology. In this paper, we present a novel algorithm that is able to suggest relationships among existing concepts in a formal ontology that are not derivable from such formal definitions. The algorithm exploits cross-lingual information that is implicity present in the collection of terms used in various languages to denote the concepts and relationships at tissue. By using a specific experimental design, we are able to quantify the impact of cross-lingual information in coping with underspecification in formal ontologies.
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