Abstract
The paper is aimed at automatic metrics for translation quality assessment (TQA), specifically at machine translation (MT) output and the metrics for the evaluation of MT output (Precision, Recall, F-measure, BLEU, PER, WER and CDER). We examine their reliability and we determine the metrics which show decreasing reliability of the automatic evaluation of MT output. Besides the traditional measures (Cronbach’s alpha and standardized alpha) we use entropy for assessing the reliability of the automatic metrics of MT output. The results were obtained on a dataset covering translation from a low resource language (SK) into English (EN). The main contribution consists of the identification of the redundant automatic MT evaluation metrics.
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