Predicting Scalar Inference and Alternativehood With Neural Sentence Encoders

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Abstract/Contents

Abstract
Scalar inference is the interpretation of a less informative term to also mean the negation of a more informative alternative. The strength of these inferences is often sensitive to context and the presence of linguistic cues. Neural sentence encoders have been shown to successfully predict the strength of certain scalar inferences (in particular, from some to not all). In this work, we explore two topics: First, the extent of variability in scalar inference strength from or to not both, and whether this inference strength can be predicted by a neural sentence encoder; second, whether a BERT-based framing of lexical expectation can be used to model the availability of scalar alternatives to or. We find that a BERT-based LSTM predicts inference strength from or to not both with limited success (r = 0.45), due to the relative pragmatic complexity of or. We also find that a BERT- based language model successfully predicts the categorical availability of alternatives for or, indicating that BERT captures qualitative information about alternativehood, and that lexical expectation measures of alternativehood weakly predict inference strength.

Description

Type of resource text
Date created June 3, 2021

Creators/Contributors

Author Li, Elissa

Subjects

Subject neural network
Subject BERT
Subject alternatives
Subject scalar inference
Subject pragmatics
Subject machine learning
Subject NLP
Subject Symbolic Systems
Genre Thesis

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This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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Preferred Citation
Li, Elissa. (2021). Predicting Scalar Inference and Alternativehood With Neural Sentence Encoders. Stanford Digital Repository. Available at: https://purl.stanford.edu/xm864rp2970

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Master's Theses, Symbolic Systems Program, Stanford University

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