The Flores Evaluation Datasets for Low-Resource Machine Translation: Nepali–English and Sinhala–English
Table 1: Number of unique sentences (uniq) and total number of sentence pairs (tot) per Flores test set grouped by their original languages.
['[BOLD] orig lang', '[ITALIC] dev uniq', '[ITALIC] dev tot', '[ITALIC] devtest uniq', '[ITALIC] devtest tot', '[ITALIC] test uniq', '[ITALIC] test tot']
For Sinhala–English, the test set is composed of 850 sentences originally in English, and 850 originally in Sinhala. We have approximately 1.7 translations per sentence. This yielded 1,465 sentence pairs originally in English, and 1,440 originally in Sinhalese, for a total of 2,905 sentences. Similarly, for Nepali–English, the test set is composed of 850 sentences originally in English, and 850 originally in Nepali. This yielded 1,462 sentence pairs originally in English and 1,462 originally in Nepali, for a total of 2,924 sentence pairs.