The Meaning Factory at SemEval-2016 Task 8: Producing AMRs with Boxer

Johannes Bjerva, Johannes Bos, Hessel Haagsma

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    We participated in the shared task on meaning representation parsing (Task 8 at SemEval-2016) with the aim of investigating whether we could use Boxer, an existing open-domain semantic parser, for this task. However, the
    meaning representations produced by Boxer, Discourse Representation Structures, are considerably different from Abstract Meaning Representations, AMRs, the target meaning representations of the shared task. Our hybrid conversion method (involving lexical adaptation as well as post-processing of the output) failed to produce state-of-the-art results. Nonetheless, F-scores of 53% on development and 47% on test data (50% unofficially) were obtained.
    Original languageEnglish
    Title of host publicationSemEval-2016
    Subtitle of host publicationThe 10th International Workshop on Semantic Evaluation: Proceedings of the Workshop
    Place of PublicationStroudsburg, PA
    PublisherAssociation for Computational Linguistics (ACL)
    ISBN (Print)978-1-941643-95-2
    Publication statusPublished - 2016

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