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BarNER -- Sebastian, Basti, Wastl?! Recognizing Named Entities in Bavarian Dialectal Data

• This paper introduces the first dialectal NER dataset for German, BarNER, with 161K tokens annotated on Bavarian Wikipedia articles (bar-wiki) and tweets (bar-tweet).
• We illustrate differences between Bavarian and standard German in lexical distribution, syntactic construction, and entity information.
• We conduct in-domain, cross-domain, sequential, and joint experiments on two Bavarian and three German corpora and present the first comprehensive NER results on Bavarian.
• Incorporating knowledge from the larger German NER (sub-)datasets notably improves on bar-wiki and moderately on bar-tweet.
• We supplement multi-task learning between five NER and two Bavarian-German dialect identification tasks (with gold dialect labels on our Bavarian tweets) and achieve NER SOTA on bar-wiki.

Corpus Statistics

How to use this repository?

• data: final and double-annotated BarNER and BarDID data
  • BarNER-final: adjudicated final annotations (train/dev/test splits) on Bavarian and some German tweets and wiki genres
  • BarNER-double: individual documents with annnotations from multiple annotators; one annotator per column <br/>
  • BarDID-wiki, BarDID-tweet: dialect identification data for wiki and tweet
• MaiNLP_NER_Annotation_Guidelines.pdf

• sample_machamp_scripts: sample Machamp scripts

Please contact authors of this paper for more data.

Paper

To appear at LREC-COLING2024

https://arxiv.org/abs/2403.12749

Reference

@misc{peng2024sebastian,
      title={Sebastian, Basti, Wastl?! Recognizing Named Entities in Bavarian Dialectal Data}, 
      author={Siyao Peng and Zihang Sun and Huangyan Shan and Marie Kolm and Verena Blaschke and Ekaterina Artemova and Barbara Plank},
      year={2024},
      eprint={2403.12749},
      archivePrefix={arXiv},
      primaryClass={cs.CL}
}

Acknowledgement

• This project is supported by ERC Consolidator Grant DIALECT 101043235.