Challenge: Existing neural machine translation models have a deep structure with large amounts of parameters, making them hard to train.
Approach: They propose an online method to generate a teacher model from checkpoints . they show steady improvement over a strong self-attention-based baseline system .
Outcome: The proposed method improves on-the-fly on several datasets and language pairs.

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Why Skip If You Can Combine: A Simple Knowledge Distillation Technique for Intermediate Layers (2020.emnlp-main)

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Challenge: Existing knowledge distillation techniques are not suitable for deep learning tasks due to memory constraints.
Approach: They propose to combine knowledge from a large teacher network into a student network (S) they propose to use a combinatorial mechanism to inject layer-level supervision from T to S .
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Selective Knowledge Distillation for Neural Machine Translation (2021.acl-long)

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Challenge: Neural Machine Translation models achieve state-of-the-art performance on many translation benchmarks.
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A Self-Distillation Recipe for Neural Machine Translation (2025.findings-acl)

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Challenge: Existing methods for Neural Machine Translation (NMT) have been proven effective in improving the performance of computer vision tasks without pre-training a teacher.
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Collective Wisdom: Improving Low-resource Neural Machine Translation using Adaptive Knowledge Distillation (2020.coling-main)

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Challenge: Existing approaches to train high-quality NMT models in bilingually low-resource scenarios are limited by the scarcity of parallel sentence-pairs.
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Hard Gate Knowledge Distillation - Leverage Calibration for Robust and Reliable Language Model (2022.emnlp-main)

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Challenge: Existing knowledge distillation schemes focus on a teacher as a source of knowledge and a gauge to detect miscalibration of a student.
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Checkpoint Reranking: An Approach to Select Better Hypothesis for Neural Machine Translation Systems (2020.acl-srw)

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Challenge: Neural Machine Translation (NMT) has produced excellent results in the field of machine translation due to generation of high-quality translations for different language pairs.
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Unifying the Convergences in Multilingual Neural Machine Translation (2022.emnlp-main)

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Challenge: Existing approaches to multilingual neural machine translation are overfitting and inconsistency is ignored .
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Nearest Neighbor Knowledge Distillation for Neural Machine Translation (2022.naacl-main)

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Challenge: k-nearest-neighbor machine translation (kNN-MT) is a state-of-the-art machine translation technique . however, it requires conducting kNN searches for each decoding step, which increases the cost of decoding .
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Distilling Knowledge for Search-based Structured Prediction (P18-1)

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Challenge: Existing studies have focused on the performance of structured prediction models, but they are often limited by the ambiguities of the reference policy.
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Exploring All-In-One Knowledge Distillation Framework for Neural Machine Translation (2023.emnlp-main)

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Challenge: Existing knowledge distillation methods only obtain one lightweight student each time . this could be resource-intensive and resulting in multiple students not being optimally utilized .
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