Entailment above the word level in distributional semantics

Abstract

We introduce two ways to detect entailment using distributional semantic representations of phrases. Our first experiment shows that the entailment relation between adjective-noun constructions and their head nouns (big cat |= cat), once represented as semantic vector pairs, generalizes to lexical entailment among nouns (dog |= animal). Our second experiment shows that a classifier fed semantic vector pairs can similarly generalize the entailment relation among quantifier phrases (many dogs|=some dogs) to entailment involving unseen quantifiers (all cats|=several cats). Moreover, nominal and quantifier phrase entailment appears to be cued by different distributional correlates, as predicted by the type-based view of entailment in formal semantics.

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@inproceedings{Baroni2012EntailmentAT, title={Entailment above the word level in distributional semantics}, author={Marco G Baroni and Raffaella Bernardi and Ngoc-Quynh Do and Chung-chieh Shan}, booktitle={EACL}, year={2012} }