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ixa-pipe-coref-eu is a coreference resolution tool for Basque written documents, which is an adaptation of Stanford Deterministic Coreference Resolution.

The tool takes a document in NAF format, containing lemmas, PoS tags, morphological annotations, chunks and named entities.


You can download a pre-compiled binary package for latest stable version from the following link:


All the original code produced for ixa-pipe-coref-eu is licensed under GPL v3 free license.

How to cite

If you use ixa-pipe-coref-eu tool, please cite the following paper in your academic work:

Ander Soraluze, Olatz Arregi, Xabier Arregi, Arantza Diaz de Ilarraza. Coreference Resolution for Morphologically Rich Languages. Adaptation of the Stanford System to Basque. In Procesamiento del Lenguaje Natural, 55:23-30. 2015


Arantxa Otegi, arantza.otegi@ehu.eus
Ander Soraluze, ander.soraluze@ehu.eus