OmegaWiki is a multilingual, web-based, freely available dictionary, Lately, it has been recognized as a promising lexical semantic resource for natural language processing applications, especially for crosslingual settings.

JOWKL (Java OmegaWiki Library) is an open-source, Java-based application programming interface that allows to access all information contained in OmegaWiki, such as glosses, usage examples, translations and much more.

JOWKL directly works on the OmegaWiki database dumps available at No additional preprocessing is necessary!


Downloads and further instructions how to add JOWKL as Maven dependency to your project can be found on the GitHub Project Site

The source code is provided under the Apache Software License (ASL) version 2.


Additional Attributes


Multilingual Knowledge in Aligned Wiktionary and OmegaWiki for Translation Applications

Michael Matuschek, Christian M. Meyer, Iryna Gurevych
In: Translation: Computation, Corpora, Cognition: Special Issue on “Language Technology for a Multilingual Europe” (TC3), Vol. 3, p. 87-118, June 2013
Language Science Press

Where the journey is headed: Collaboratively constructed multilingual Wiki-based resources

Michael Matuschek, Iryna Gurevych
In: Hamburger Arbeiten zur Mehrsprachigkeit, 2011
Universität Hamburg

Beyond the Synset: Synonyms in Collaboratively Constructed Semantic Resources

Michael Matuschek, Iryna Gurevych
In: Workshop on Computational Approaches to Synonymy at the Symposium on Re-Thinking Synonymy, p. 58-59, October 2010
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