Foundations of Computational Linguistics by Roland Hausser

Author:Roland Hausser
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

(ii) How ambiguous are the natural languages?

This is because the C LAG subclasses differ solely in their degrees of ambiguity.

An utterance is called ambiguous if more than one meaning2 (PoP-1, 4.​3.​3) may be derived by the hearer. This may be due to a syntactic, semantic, or pragmatic ambiguity. For complexity analysis – it being concerned with the combinatorial structure of expressions – only syntactic ambiguity is relevant.

In the Slim theory of language, a syntactic ambiguity arises if an expression is assigned more than one structural analysis. A semantic ambiguity arises if a syntactically unambiguous expression has more than one meaning1. A pragmatic ambiguity is caused by a meaning1 having more than one use relative to a given context.

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