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The Brazilian Portuguese Lexicon: An Instrument for Psycholinguistic Research

PloS one, 2015-12, Vol.10 (12), p.e0144016-e0144016 [Peer Reviewed Journal]

COPYRIGHT 2015 Public Library of Science ;COPYRIGHT 2015 Public Library of Science ;2015 Estivalet, Meunier. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Distributed under a Creative Commons Attribution 4.0 International License ;2015 Estivalet, Meunier 2015 Estivalet, Meunier ;ISSN: 1932-6203 ;EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0144016 ;PMID: 26630138

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  • Title:
    The Brazilian Portuguese Lexicon: An Instrument for Psycholinguistic Research
  • Author: Estivalet, Gustavo L ; Meunier, Fanny
  • van Rijn, Hedderik
  • Subjects: Analysis ; Bernard, Claude (1813-78) ; Brazil ; Cognitive science ; Computation ; Computational linguistics ; Computer applications ; Computer Science ; Control equipment ; Corpora ; Criteria ; Experiments ; Humanities and Social Sciences ; Internet ; Language ; Language processing ; Linguistics ; Methods and statistics ; Natural language interfaces ; Natural language processing ; Neuroscience ; Psychology ; Search engines ; Software upgrading ; Statistical analysis
  • Is Part Of: PloS one, 2015-12, Vol.10 (12), p.e0144016-e0144016
  • Description: In this article, we present the Brazilian Portuguese Lexicon, a new word-based corpus for psycholinguistic and computational linguistic research in Brazilian Portuguese. We describe the corpus development, the specific characteristics on the internet site and database for user access. We also perform distributional analyses of the corpus and comparisons to other current databases. Our main objective was to provide a large, reliable, and useful word-based corpus with a dynamic, easy-to-use, and intuitive interface with free internet access for word and word-criteria searches. We used the Núcleo Interinstitucional de Linguística Computacional's corpus as the basic data source and developed the Brazilian Portuguese Lexicon by deriving and adding metalinguistic and psycholinguistic information about Brazilian Portuguese words. We obtained a final corpus with more than 30 million word tokens, 215 thousand word types and 25 categories of information about each word. This corpus was made available on the internet via a free-access site with two search engines: a simple search and a complex search. The simple engine basically searches for a list of words, while the complex engine accepts all types of criteria in the corpus categories. The output result presents all entries found in the corpus with the criteria specified in the input search and can be downloaded as a.csv file. We created a module in the results that delivers basic statistics about each search. The Brazilian Portuguese Lexicon also provides a pseudoword engine and specific tools for linguistic and statistical analysis. Therefore, the Brazilian Portuguese Lexicon is a convenient instrument for stimulus search, selection, control, and manipulation in psycholinguistic experiments, as also it is a powerful database for computational linguistics research and language modeling related to lexicon distribution, functioning, and behavior.
  • Publisher: United States: Public Library of Science
  • Language: English
  • Identifier: ISSN: 1932-6203
    EISSN: 1932-6203
    DOI: 10.1371/journal.pone.0144016
    PMID: 26630138
  • Source: HAL SHS: Archive ouverte en Sciences de l'Homme et de la Société (Open Access)
    Hyper Article en Ligne (HAL) (Open Access)
    GFMER Free Medical Journals
    MEDLINE
    PubMed Central
    Public Library of Science (PLoS)
    ProQuest Central
    DOAJ Directory of Open Access Journals
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