Towards a general theory of action and time
Artificial Intelligence
Current status and future trends in machine translation
Future Generation Computer Systems - Special issue on machine translation
The need for MT-oriented versions of Case and Valency in MT
COLING '86 Proceedings of the 11th coference on Computational linguistics
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The topic of the paper is the problem how to define case relations by semantic predicates. A general principle is outlined, which renders it possible to "calculate" case relations for a given representation of a (verb-)sememe by means of expressions. This principle is based on an assignment of case relations to primitive predicates and modification rules for nested expressions. Contrary to the traditional case grammar it turns out that one needs mixed case relations, especially for two reasons: Arguments occur at "too different" places in an expression or arguments have combined case relations. The consequence is that case relations don't form a set of isolated elements but a structured system.