تصف هذه الورقة التقديم إلى المهمة المشتركة لترجمة الأخبار WMT 2021 بواسطة مجموعة الترجمة الآلية في UPC.الهدف من المهمة هو ترجمة الألمانية إلى الفرنسية (DE-FR) والفرنسية إلى الألمانية (FR-DE).يركز تقديمنا على ضبط نموذج مدرب مسبقا للاستفادة من بيانات أحادية الأجل.نحن نغلق mbart50 باستخدام البيانات المصفاة، بالإضافة إلى ذلك، ندرب نموذج محول على نفس البيانات من الصفر.في التجارب، نظهر أن نتائج MBART50 الناشجة في 31.69 بلو ل DE-FR و 23.63 بلو FR-DE، مما يزيد من 2.71 و 1.90 بلو وفقا لذلك، مقارنة بالنموذج الذي نتدرب من الصفر.إن تقديمنا النهائي هو فرقة لهذين النموذجين، مما يزيد من 0.3 بلو ل FR-DE.
This paper describes the submission to the WMT 2021 news translation shared task by the UPC Machine Translation group. The goal of the task is to translate German to French (De-Fr) and French to German (Fr-De). Our submission focuses on fine-tuning a pre-trained model to take advantage of monolingual data. We fine-tune mBART50 using the filtered data, and additionally, we train a Transformer model on the same data from scratch. In the experiments, we show that fine-tuning mBART50 results in 31.69 BLEU for De-Fr and 23.63 BLEU for Fr-De, which increases 2.71 and 1.90 BLEU accordingly, as compared to the model we train from scratch. Our final submission is an ensemble of these two models, further increasing 0.3 BLEU for Fr-De.
References used
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