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UWB @ DIACR-Ita: Lexical Semantic Change Detection with CCA and Orthogonal Transformation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F20%3A43960305" target="_blank" >RIV/49777513:23520/20:43960305 - isvavai.cz</a>

  • Result on the web

    <a href="http://ceur-ws.org/Vol-2765/paper110.pdf" target="_blank" >http://ceur-ws.org/Vol-2765/paper110.pdf</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    UWB @ DIACR-Ita: Lexical Semantic Change Detection with CCA and Orthogonal Transformation

  • Original language description

    In this paper, we describe our method for detection of lexical semantic change (i.e.,word sense changes over time) for the DIACR-Ita shared task, where we ranked 1st. We examine semantic differences between specific words in two Italian corpora, chosen from different time periods. Our method is fully unsupervised and language independent. It consists of preparing a semantic vector space for each corpus, earlier and later. Then we compute a linear transformation between earlier and later spaces, using CCA and Orthogonal Transformation. Finally, we measure the cosines between the transformed vectors.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of the Seventh Evaluation Campaign of Natural Language Processing and Speech Tools for Italian. Final Workshop (EVALITA 2020)

  • ISBN

  • ISSN

    1613-0073

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    1-6

  • Publisher name

    CEUR Workshop Proceedings

  • Place of publication

    online

  • Event location

    Bologna

  • Event date

    Dec 17, 2020

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article