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Polish Coreference Tools

This page describes the tools created as part of the CORE project.

Mention detection

Coreference resolution

  • Ruler – a rule-based coreference resolution tool

  • Bartek – a statistical coreference resolution tool


  • Scoreference – a mention detection and coreference resolution evaluation tool

Coreference annotation

  • DistSys – a distribution system for texts for any kind of manual annotation

  • MMAX4CORE – a modified version of the MMAX2 annotation tools, adjusted for the needs of the CORE project





When using Polish Coreference Tools, please cite our book on coreference: List of publications

Maciej Ogrodniczuk, Katarzyna Głowińska, Mateusz Kopeć, Agata Savary, and Magdalena Zawisławska. Coreference in Polish: Annotation, Resolution and Evaluation. Walter De Gruyter, 2015.

You may also want to see Polish Coreference Corpus site.