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Selected Publication:

Romacker, M; Hahn, U; Schulz, S; Klar, R.
Semantic analysis of medical free texts.
Stud Health Technol Inform. 2000; 77(8):438-442
PubMed

 

Authors Med Uni Graz:
Schulz Stefan
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Abstract:
The semantic interpretation of natural language utterances is usually based on a large number of transformation rules which map syntactic structures (parse trees) onto some kind of meaning representation. However, those interpretation rules exhibit an insufficient degree of abstraction so that the scalability and portability of such natural language processing systems is hard to maintain. In this paper, we introduce an approach that is able to cope with a wide variety of semantic interpretation patterns in medical free texts by applying a small inventory of abstract semantic interpretation schemata. These schemata address generalized graph configurations within syntactic dependency parse trees, which abstract away from specific syntactic constructions.
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