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Detecting Post-Edited References and Their Effect on Human Evaluation

اكتشاف المراجع بعد التحرير وتأثيرها على التقييم البشري

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 Publication date 2021
and research's language is English
 Created by Shamra Editor




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This paper provides a quick overview of possible methods how to detect that reference translations were actually created by post-editing an MT system. Two methods based on automatic metrics are presented: BLEU difference between the suspected MT and some other good MT and BLEU difference using additional references. These two methods revealed a suspicion that the WMT 2020 Czech reference is based on MT. The suspicion was confirmed in a manual analysis by finding concrete proofs of the post-editing procedure in particular sentences. Finally, a typology of post-editing changes is presented where typical errors or changes made by the post-editor or errors adopted from the MT are classified.

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