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MultiUN + UNPC datasets, with rule-based and semantic filtering (train > 0.45 - test/dev > 0.9) as well as (>= 0.1) fasttext language detection

MultiUN + UNPC datasets, with rule-based and semantic filtering (train > 0.45 - test/dev > 0.9) as well as (>= 0.1) fasttext language detection

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