Cited by 19Topic ModelingNatural Language Processing TechniquesSyntax, Semantics, Linguistic Variation

A structured distributional model of sentence meaning and processing

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Chersoni, E., Santus, E., Pannitto, L., Lenci, A., Blache, P., Huang, C.-R.·2019·Natural Language Engineering

Abstract

Most compositional distributional semantic models represent sentence meaning with a single vector. In this paper, we propose a structured distributional model (SDM) that combines word embeddings with formal semantics and is based on the assumption that sentences represent events and situations. The semantic representation of a sentence is a formal structure derived from discourse representation theory and containing distributional vectors. This structure is dynamically and incrementally built by integrating knowledge about events and their typical participants, as they are activated by lexical items. Event knowledge is modelled as a graph extracted from parsed corpora and encoding roles and relationships between participants that are represented as distributional vectors. SDM is grounded on extensive psycholinguistic research showing that generalized knowledge about events stored in semantic memory plays a key role in sentence comprehension.We evaluate SDMon two recently introduced compositionality data sets, and our results show that combining a simple compositionalmodel with event knowledge constantly improves performances, even with dif ferent types of word embeddings.

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Crossref · 10.1017/s1351324919000214

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77 of 77 references verified0 citation errors · 0 not checkable

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Authors
Chersoni, E., Santus, E., Pannitto, L., Lenci, A., Blache, P., & Huang, C.-R.
Affiliations
  • Hong Kong Polytechnic University (HK)
  • MIT Computer Science and Artificial Intelligence Laboratory (US)
  • University of Pisa (IT)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Chersoni, E.
Venue
Natural Language Engineering
Published
2019-07
Volume
25
Issue
4
Pages
483-502
ISSN
  • 1351-3249 (ISSN-L)
  • 1469-8110
OpenAlex
W2965758391
Cited by
19
References
77
Citations by year
2026: 1 · 2024: 2 · 2023: 5 · 2021: 6 · 2020: 2 · 2019: 3
FWCI
1.24
Type
journal article
Language
en
Open access
Locations
  • Natural Language Engineering (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • HAL (submittedVersion, other-oa)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
  • Physical Sciences › Computer Science › Artificial Intelligence › Natural Language Processing Techniques
  • Social Sciences › Arts and Humanities › Language and Linguistics › Syntax, Semantics, Linguistic Variation
Keywords
compositional distributional semantics, sentence meaning, sentence processing, Discourse Representation Theory, event knowledge, event attendees, word embeddings, sentence comprehension, semantic memory

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