Challenge: Recent neural machine translation models have improved translation quality but they also introduce small perturbations like misspelling and paraphrasing.
Approach: They propose a method that generates multi-granularity subword representations with reversible operations and deterministic segmentations.
Outcome: The proposed method outperforms strong baselines on several translation tasks with a clear margin and exhibits good robustness in noisy, low-resource, and cross-domain datasets.

Similar Papers

Understanding Data Augmentation in Neural Machine Translation: Two Perspectives towards Generalization (D19-1)

Copied to clipboard

Challenge: Existing studies measure the superiority of DA methods in terms of their performance on a specific test set, but some do not exhibit consistent improvements across translation tasks.
Approach: They propose to evaluate DA methods from two perspectives to determine their generalization ability . they find that DA method's test performance does not exhibit consistent improvements across translation tasks .
Outcome: The proposed methods do not exhibit consistent improvements across translation tasks.
Rethinking Data Augmentation for Low-Resource Neural Machine Translation: A Multi-Task Learning Approach (2021.emnlp-main)

Copied to clipboard

Challenge: Existing approaches to generating additional parallel sentences are aimed at expanding the support of the empirical data distribution by generating new sentence pairs that contain infrequent words.
Approach: They propose to use data augmentation techniques to generate additional parallel sentences by reversing the order of the target sentence to produce unfluent target sentences.
Outcome: The proposed approach improves on six low-resource translation tasks and the baseline and over DA methods.
Counterfactual Data Augmentation for Neural Machine Translation (2021.naacl-main)

Copied to clipboard

Challenge: Neural machine translation models often rely on large-scale parallel corpora for training, exhibiting degraded performance on low-resource languages.
Approach: They propose a method that interprets language models and phrasal alignment causally and generates augmented parallel translation corpora by sampling new source phrases from a masked language model.
Outcome: The proposed method improves translation, backtranslation and translation robustness on IWSLT’15 English Vietnamese, WMT’17 English - German, and WMT'18 English – Turkish.
Soft Contextual Data Augmentation for Neural Machine Translation (P19-1)

Copied to clipboard

Challenge: Existing methods for enhancing training data are limited in natural language tasks due to text characteristics.
Approach: They propose a data augmentation method that softly augments a randomly chosen word in a sentence by its contextual mixture of multiple related words.
Outcome: The proposed method outperforms baseline methods on small and large scale machine translation datasets.
Semantically Consistent Data Augmentation for Neural Machine Translation via Conditional Masked Language Model (2022.coling-1)

Copied to clipboard

Challenge: Neural network models have a large number of parameters to train, but data augmentation is relatively under-explored in natural language processing.
Approach: They propose a bi-directional conditional Masked Language Model (CMLM) that can be conditional on both left and right contexts and the label.
Outcome: The proposed method achieves the best performance on four translation datasets and yields up to 1.90 BLEU points over the baseline.
SwitchOut: an Efficient Data Augmentation Algorithm for Neural Machine Translation (D18-1)

Copied to clipboard

Challenge: Existing methods for data augmentation for text-based tasks such as machine translation are limited due to noise and noise.
Approach: They propose a data augmentation policy with desirable properties as an optimization problem and propose 'SwitchOut' switchout randomly replaces words in both the source and target sentences with other random words from their corresponding vocabularies.
Outcome: The proposed method outperforms strong alternatives such as word dropout on three translation datasets.
Exploring Data Augmentation in Neural DRS-to-Text Generation (2024.eacl-long)

Copied to clipboard

Challenge: Neural networks are notoriously data-hungry, resulting in ungrammatical texts . data augmentation requires a specific design for a structurally rich input format .
Approach: They propose to selectively augment a training set with new data by adding and varying two specific lexical categories, i.e. proper and common nouns.
Outcome: The proposed approach selectively augments a training set with new data by adding and varying two specific lexical categories, i.e. proper and common nouns.
FlipDA: Effective and Robust Data Augmentation for Few-Shot Learning (2022.acl-long)

Copied to clipboard

Challenge: Existing methods for text data augmentation are limited to simple tasks and weak baselines.
Approach: They propose a data augmentation method FlipDA that uses a generative model and a classifier to generate label-flipped data.
Outcome: The proposed method improves many tasks while not negatively affecting the others.
Virtual Data Augmentation: A Robust and General Framework for Fine-tuning Pre-trained Models (2021.emnlp-main)

Copied to clipboard

Challenge: Recent studies have shown that powerful pre-trained language models can be fooled by small perturbations or intentional attacks.
Approach: They propose a framework for fine-tuning PLMs using a masked language model and Gaussian noise to augment semantically relevant examples with sufficient diversity.
Outcome: The proposed framework improves the robustness of pre-trained language models and alleviates performance degradation under adversarial attacks.
Learning to Generalize to More: Continuous Semantic Augmentation for Neural Machine Translation (2022.acl-long)

Copied to clipboard

Challenge: Neural machine translation (NMT) tasks require large amounts of parallel data to augment training.
Approach: They propose a data augmentation paradigm that augments each training instance with an adjacency semantic region that could cover adequate variants of literal expression under the same meaning.
Outcome: The proposed paradigm improves on the state-of-the-art in supervised neural machine translation tasks.

What is GenGO?

GenGO is an NLP powered publication search system. It currenctly indexes 30k+ papers from ACL Anthology, and implements multi-aspect summarization, semantic search, and more!

Information

About
Limitations