Technical Reports

The report FIMU-RS-2000-07

On Disambiguation in Czech Corpora

by Luboš Popelínský, Tomáš Pavelek, Tomáš Ptáčník, October 2000, 26 pages.

FIMU-RS-2000-07. Available as Postscript, PDF.

Abstract:

Lemma disambiguation means finding the basic word form, typically nominative singular for nouns or infinitive for verbs. We developed a multistrategy method for lemma disambiguation of unannotated text. The method is based on a combination of inductive logic programming and instance-based learning. We present results of the most important subtasks of lemma disambiguation for Czech language. Although no expert knowledge on Czech grammar has been used the accuracy reaches 90% with a fraction of words remaining ambiguous. We also display first results of tag disambiguation.

Responsible contact: veda@fi.muni.cz

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