MorfFlex: Handling Rich Morphology
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Computer Science > Computation and Language
Title:MorfFlex: Handling Rich Morphology
Abstract:We present MorfFlex, a morphological dictionary architecture suitable for languages with extensive regularity in both inflection and derivation. As the primary example of MorfFlex in use we introduce MorfFlex CZ, a morphological dictionary of Czech. It is distributed as a simple, unstructured list of <wordform, lemma, tag> triplets, however, its manually maintained, unpublished source files and conversion scripts encode a sophisticated system of inflectional and derivational patterns. These patterns dramatically reduce the otherwise enormous size of the dictionary, which currently contains over 100 million wordforms and more than 1 million lemmas. The MorfFlex CZ dictionary serves as an essential resource for ensuring the consistency of manual morphological annotation in the Prague Dependency Treebanks and underpins state-of-the-art automatic tools such as MorphoDiTa. In this paper, we focus on: (i) presenting an effective method for managing the rich morphological system within the dictionary, and (ii) demonstrating the utility of such a language resource for maintaining annotation consistency in corpora and supporting the development of advanced NLP applications.
| Comments: | Accepted to LREC 2026 |
| Subjects: | Computation and Language (cs.CL) |
| Cite as: | arXiv:2606.24366 [cs.CL] |
| (or arXiv:2606.24366v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2606.24366
arXiv-issued DOI via DataCite (pending registration)
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| Related DOI: | https://doi.org/10.63317/36ruwkgu8iex
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