Grotoco@SLAM: Second Language Acquisition Modeling with Simple Features, Learners and Task-wise Models

Sigrid Klerke, Héctor Martínez Alonso, Barbara Plank

    Research output: Conference Article in Proceeding or Book/Report chapterArticle in proceedingsResearchpeer-review

    Abstract

    We present our submission to the 2018 Duolingo Shared Task on Second Language
    Acquisition Modeling (SLAM). We focus on evaluating a range of features for the task, including user-derived measures, while examining how far we can get with a simple linear classifier. Our analysis reveals that errors differ per exercise format, which motivates our final and best-performing system: a task-wise (per exercise-format) model.
    Original languageEnglish
    Title of host publicationProceedings of the Thirteenth Workshop on Innovative Use of NLP for Building Educational Applications : NAACL HLT 2018
    Place of PublicationNew Orleans
    PublisherAssociation for Computational Linguistics
    Publication date2018
    Pages206-211
    ISBN (Print)978-1-948087-11-7
    DOIs
    Publication statusPublished - 2018

    Keywords

    • Second Language Acquisition
    • SLAM
    • Linear Classifier
    • Exercise Format
    • User-Derived Measures

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