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IST-Unbabel 2021 Submission for the Quality Estimation Shared Task

IST-GREXABEL 2021 تقديم المهمة المشتركة تقدير الجودة

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




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We present the joint contribution of IST and Unbabel to the WMT 2021 Shared Task on Quality Estimation. Our team participated on two tasks: Direct Assessment and Post-Editing Effort, encompassing a total of 35 submissions. For all submissions, our efforts focused on training multilingual models on top of OpenKiwi predictor-estimator architecture, using pre-trained multilingual encoders combined with adapters. We further experiment with and uncertainty-related objectives and features as well as training on out-of-domain direct assessment data.

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