Locked History Actions



This page offers the official Creative Commons Attribution 3.0 Unported License release of the Bartek, a statistical tool for performing Coreference Resolution (CR). By downloading the Bartek package you accept the conditions of that licence.

Principal developer: Mateusz Kopeć
Authors: Mateusz Kopeć, Bartłomiej Nitoń, Maciej Ogrodniczuk
License: CC BY v.3



You may check out the source code from git repository.

The manual and description of Bartek is available here.

Bartek comes with default models trained on the full Polish Coreference Corpus. It also contains compiled resources extracted from Polish Wikipedia and plWordnet.


If you want to use Bartek as Maven dependency, in your pom.xml file:

  • add repository information:

   1 <repositories>
   2   ...
   3   <repository>
   4     <id>zil-maven-repo</id>
   5     <name>ZIL maven repository</name>
   6     <url>http://maven.nlp.ipipan.waw.pl/content/repositories/releases</url>
   7   </repository>
   8   ...
   9 </repositories>
  • and dependency information:

   1 <dependencies>
   2  ...
   3   <dependency>
   4     <groupId>pl.waw.ipipan.zil.core</groupId>
   5     <artifactId>bartek</artifactId>
   6     <version>1.3</version>
   7   </dependency>
   8  ...
   9 </dependencies>

Online demo

Multiservice offers an online demo of Bartek.

You may also want to see other Polish Coreference Tools.


When using Bartek, please cite the following articles: List of publications

Bartłomiej Nitoń. Evaluation of Uryupina's coreference resolution features for Polish. In Zygmunt Vetulani, editor, Proceedings of the 6th Language & Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics, pages 122–126, Poznań, Poland, 2013. Wydawnictwo Poznańskie, Fundacja Uniwersytetu im. Adama Mickiewicza.

Mateusz Kopeć and Maciej Ogrodniczuk. Creating a Coreference Resolution System for Polish. In Proceedings of the Eighth International Conference on Language Resources and Evaluation, LREC 2012, pages 192–195, Istanbul, Turkey, 2012. European Language Resources Association (ELRA).