CUNI Systems for the WMT22 Czech-Ukrainian Translation Task

Jind\v{r}ich Helcl; Jind\v{r}ich Libovick\'y; Martin Popel

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CUNI Systems for the WMT22 Czech-Ukrainian Translation Task

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arxiv 2212.00486 v1 pith:RS5O25XH submitted 2022-12-01 cs.CL

Martin Popel , Jindřich Libovický , Jindřich Helcl This is my paper

classification cs.CL

keywords translationromanizationback-translationcharlesconstrainedczech-ukrainiansubmissionssystems

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We present Charles University submissions to the WMT22 General Translation Shared Task on Czech-Ukrainian and Ukrainian-Czech machine translation. We present two constrained submissions based on block back-translation and tagged back-translation and experiment with rule-based romanization of Ukrainian. Our results show that the romanization only has a minor effect on the translation quality. Further, we describe Charles Translator, a system that was developed in March 2022 as a response to the migration from Ukraine to the Czech Republic. Compared to our constrained systems, it did not use the romanization and used some proprietary data sources.

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