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Quantum Physics and LinguisticsA Compositional, Diagrammatic Discourse$
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Chris Heunen, Mehrnoosh Sadrzadeh, and Edward Grefenstette

Print publication date: 2013

Print ISBN-13: 9780199646296

Published to Oxford Scholarship Online: May 2013

DOI: 10.1093/acprof:oso/9780199646296.001.0001

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Type-Driven Syntax and Semantics for Composing Meaning Vectors

Type-Driven Syntax and Semantics for Composing Meaning Vectors

Chapter:
(p.359) CHAPTER 13 Type-Driven Syntax and Semantics for Composing Meaning Vectors
Source:
Quantum Physics and Linguistics
Author(s):

STEPHEN CLARK

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199646296.003.0013

This chapter presents a theoretical framework that provides an answer to the question of how distributional representations of word meanings should be combined compositionally to produce distributional representations of larger phrases. More specifically, it describes the framework of Coecke et al. (2010) in a form designed to be accessible to computational linguists not familiar with the mathematics of category theory on which the framework is based. It also briefly introduces pregroup grammar, which is the syntactic framework underlying the compositional process. One question the framework does not answer is what the semantic type of a sentence should be; in other words, what vector space sentences should live in. The chapter presents two possible sentence spaces, the first for expository reasons and the second as an example of a sentence space that has been implemented and evaluated in a word-sense disambiguation task.

Keywords:   compositional semantics, distributional models of meaning, pregroup grammars

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