AAAI Publications, Thirty-First AAAI Conference on Artificial Intelligence

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Geometry of Compositionality
Hongyu Gong, Suma Bhat, Pramod Viswanath

Last modified: 2017-02-12

Abstract


This paper proposes a simple test for compositionality (i.e., literal usage) of a word or phrase in a context-specific way. The test is computationally simple, relying on no external resources and only uses a set of trained word vectors. Experiments show that the proposed method is competitive with state of the art and displays high accuracy in context-specific compositionality detection of a variety of natural language phenomena (idiomaticity, sarcasm, metaphor) for different datasets in multiple languages. The key insight is to connect compositionality to a curious geometric property of word embeddings, which is of independent interest.

Keywords


Computation; Language; Compositionality

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