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Morpho project

The goal of the Morpho project is to develop unsupervised data-driven methods that discover the regularities behind word forming in natural languages. In particular, we are focussing on the discovery of morphemes, which are the primitive units of syntax, the smallest individually meaningful elements in the utterances of a language. Morphemes are important in automatic generation and recognition of a language, especially in languages in which words may have many different inflected forms.

Read more about the problem and our methods or see the list of publications.

Demonstrations and packages

Morpho Challenges

For overview of the Morpho Challenges, see http://research.ics.tkk.fi/events/morphochallenge/.

The last Challenge we have organized is Morpho Challenge 2010 - Semi-supervised and Unsupervised Analysis.

Older Challenges: 2009 2008 2007 2005

Press releases (in Finnish)


The Morpho project has been part of the Adaptive Natural Language Processing research activities. Currently Morfessor is developed jointly in the Department of Information and Computer Science and Department of Signal Processing and Acoustics at Aalto University. [an error occurred while processing this directive]