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Portuguese Native Language Identification

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Computational Processing of the Portuguese Language (PROPOR 2018)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 11122))

Abstract

This study presents the first Native Language Identification (NLI) study for L2 Portuguese. We used a sub-set of the NLI-PT dataset, containing texts written by speakers of five different native languages: Chinese, English, German, Italian, and Spanish. We explore the linguistic annotations available in NLI-PT to extract a range of (morpho-)syntactic features and apply NLI classification methods to predict the native language of the authors. The best results were obtained using an ensemble combination of the features, achieving \(54.1\%\) accuracy.

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Notes

  1. 1.

    https://sites.google.com/site/nlisharedtask2013/home.

  2. 2.

    https://sites.google.com/site/nlisharedtask/home.

  3. 3.

    The issues exist as the corpus was not designed specifically for NLI.

  4. 4.

    More details about this approach can be found in [21].

  5. 5.

    Like previous work, this also includes stop words.

  6. 6.

    http://web.science.mq.edu.au/~smalmasi/data/pt-fw.txt.

  7. 7.

    They are also known as Phrase Structure Rules or Production Rules.

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Acknowledgements

We would like to thank the anonymous reviewers for the suggestions and constructive feedback provided.

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Correspondence to Shervin Malmasi .

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Malmasi, S., del Río, I., Zampieri, M. (2018). Portuguese Native Language Identification. In: Villavicencio, A., et al. Computational Processing of the Portuguese Language. PROPOR 2018. Lecture Notes in Computer Science(), vol 11122. Springer, Cham. https://doi.org/10.1007/978-3-319-99722-3_12

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  • DOI: https://doi.org/10.1007/978-3-319-99722-3_12

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