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Revision 15 as of 2014-06-25 23:08:27
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Editor: MateuszKopec
Revision 17 as of 2014-07-14 14:16:21
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Editor: MateuszKopec
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When using Ruler, please cite the following article:
<<BibMate(key, "ogro:kop:11:ltc", omitYears=true)>>
When using Ruler, please cite the following articles:
<<BibMate(key, "ogro:kop:11:ltc","ogro:kop:11:daarc", omitYears=true)>>


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

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



Manual file of Ruler 1.25, in English: Manual


Ruler 1.25 is available to download in two versions:

Online demo

Multiservice offers an online demo of Ruler. You need to select a chain of actions producing mentions, and then add Ruler as the last component. For example, try: Pantera, Spejd, Nerf, MentionDetector, Ruler

You may also want to see other Polish Coreference Tools.


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

Maciej Ogrodniczuk and Mateusz Kopeć. Rule-based coreference resolution module for Polish. In Proceedings of the 8th Discourse Anaphora and Anaphor Resolution Colloquium (DAARC 2011), pages 191–200, Faro, Portugal, 2011.

Maciej Ogrodniczuk and Mateusz Kopeć. End-to-end coreference resolution baseline system for Polish. In Zygmunt Vetulani, editor, Proceedings of the 5th Language & Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics, pages 167–171, Poznań, Poland, 2011.