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Some steps towards the generation of diachronic WordNets

Yuri Bizzoni
Saarland University, Saarbrücken, Germany

Marius Mosbach
Saarland University, Saarbrücken, Germany

Dietrich Klakow
Saarland University, Saarbrücken, Germany

Stefania Degaetano-Ortlieb
Saarland University, Saarbrücken, Germany

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Ingår i: Proceedings of the 22nd Nordic Conference on Computational Linguistics (NoDaLiDa), September 30 - October 2, Turku, Finland

Linköping Electronic Conference Proceedings 167:6, s. 55--64

NEALT Proceedings Series 42:6, s. 55--64

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Publicerad: 2019-10-02

ISBN: 978-91-7929-995-8

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

We apply hyperbolic embeddings to trace the dynamics of change of conceptual-semantic relationships in a large diachronic scientific corpus (200 years). Our focus is on emerging scientific fields and the increasingly specialized terminology establishing around them. Reproducing high-quality hierarchical structures such as WordNet on a diachronic scale is a very difficult task. Hyperbolic embeddings can map partial graphs into low dimensional, continuous hierarchical spaces, making more explicit the latent structure of the input. We show that starting from simple lists of word pairs (rather than a list of entities with directional links) it is possible to build diachronic hierarchical semantic spaces which allow us to model a process towards specialization for selected scientific fields.

Nyckelord

semantic spaces hyperbolic semantic spaces distributional semantics ontologies diachronic language change historical language scientific language Poincare spaces lexical specialization double submission

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