Polish Coreference Corpus

  • Maciej OgrodniczukEmail author
  • Katarzyna Głowińska
  • Mateusz Kopeć
  • Agata Savary
  • Magdalena Zawisławska
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9561)


The Polish Coreference Corpus (PCC) is a large corpus of Polish general nominal coreference built upon the National Corpus of Polish. With its 1900 documents from 14 text genres, containing about 540,000 tokens, 180,000 mentions and 128,000 coreference clusters, the PCC is among the largest coreference corpora in the international community. It has some novel features, such as the annotation of the quasi-identity relation, inspired by Recasens’ near-identity, as well as the mark-up of semantic heads and dominant expressions. It shows a good inter-annotator agreement and is distributed in three formats under an open license. Its by-products include freely available annotation tools with custom features such as file distribution management and annotation adjudication.


Corpus Coreference Mention detection Anaphora 


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Maciej Ogrodniczuk
    • 1
    Email author
  • Katarzyna Głowińska
    • 2
  • Mateusz Kopeć
    • 1
  • Agata Savary
    • 3
  • Magdalena Zawisławska
    • 4
  1. 1.Institute of Computer Science, Polish Academy of SciencesWarsawPoland
  2. 2.LingventaWarsawPoland
  3. 3.Laboratoire d’informatiqueFrançois Rabelais University ToursBloisFrance
  4. 4.Institute of Polish LanguageWarsaw UniversityWarsawPoland

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