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Shalom Lappin "Modelling the Effect of Context on Sentence Acceptability"

Research profile seminar

Shalom Lappin "Modelling the Effect of Context on Sentence Acceptability"

Joint work with Jey Han Lau, The University of Melbourne; Carlos Armendariz, Queen Mary University of London; Matthew Purver, Queen Mary University of London; and Chang Shu,University of Nottingham Ningbo China

We study the influence of context on sentence acceptability. First we compare the acceptability ratings of sentences judged in isolation, with a relevant context, and with an irrelevant context. Our results show that context induces a cognitive load for humans, which compresses the distribution of ratings. Moreover, in relevant contexts we observe a discourse coherence effect which uniformly raises acceptability. Next, we test unidirectional and bidirectional language models in their ability to predict acceptability ratings. The bidirectional models show very promising results, with the best model achieving a new state-of-the-art for unsupervised acceptability prediction. The two sets of experiments provide insights into the cognitive aspects of sentence processing, and central issues in the computational modelling of text and discourse.

Lecturer: Shalom Lappin

Date: 12/4/2019

Time: 1:15 PM - 3:00 PM

Categories: Linguistics

Organizer: CLASP

Location: Dicksonsgatan 4, seminar room 112

Contact person: Stergios Chatzikyriakidis


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Page Manager: Stergios Chatzikyriakidis|Last update: 5/23/2016

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