Challenge: Existing methods to correct ASR errors focus on fixed-length corrections, but rarely consider variable-length ones.
Approach: They propose a non-autoregressive method to correct Chinese ASR errors . they use phonological tokens to extend the source sentence for variable-length correction .
Outcome: The proposed method improves word error rate and speeds up inference by 6.2 times compared with the autoregressive model.

Similar Papers

Improving Autoregressive Grammatical Error Correction with Non-autoregressive Models (2023.findings-acl)

Copied to clipboard

Challenge: Autoregressive models assign low probabilities to tokens that need corrections . grammatical error correction (GEC) is widely applied to natural language processing tasks .
Approach: They propose to use a non-autoregressive model as an auxiliary model to train GEC models to correct grammatical errors in sentences.
Outcome: The proposed method outperforms baselines on English and Chinese GEC tasks significantly.
A Study of Non-autoregressive Model for Sequence Generation (2020.acl-main)

Copied to clipboard

Challenge: Non-autoregressive (NAR) models generate all tokens in parallel, resulting in faster generation speed compared to autoregressive models.
Approach: They propose to use knowledge distillation and source-target alignment to bridge the gap between NAR and autoregressive models in various tasks.
Outcome: The proposed techniques can speed up NAR models in some tasks but not all . the proposed techniques reduce target token dependency while allowing for faster inference .
Improving Non-autoregressive Neural Machine Translation with Monolingual Data (2020.acl-main)

Copied to clipboard

Challenge: Neural machine translation is usually done via knowledge distillation from an autoregressive (AR) model.
Approach: They leverage large monolingual corpora to improve the NAR model's performance by transferring the autoregressive model' s generalization ability while preventing overfitting.
Outcome: The proposed methods on the WMT14 En-De and WMT16 En-Ro news translation tasks show that monolingual data augmentation improves the NAR model to approach the teacher AR model’s performance.
Non-Autoregressive Models for Fast Sequence Generation (2022.emnlp-tutorials)

Copied to clipboard

Challenge: Autoregressive (AR) models can only generate target sequence word-by-word due to the AR mechanism and suffer from slow inference.
Approach: This tutorial provides an introduction to non-autoregressive sequence generation.
Outcome: This tutorial explains how to generate non-autoregressive sequence generation models.
Tail-to-Tail Non-Autoregressive Sequence Prediction for Chinese Grammatical Error Correction (2021.acl-long)

Copied to clipboard

Challenge: Experimental results demonstrate the effectiveness of Tail-to-Tail (TtT) non-autoregressive sequence prediction for Chinese Grammatical Error Correction (CGEC)
Approach: They propose a framework for Chinese Grammatical Error Correction (CGEC) that uses a BERT-initialized Transformer Encoder to model the error positions.
Outcome: The proposed framework solves the problem of Chinese Grammatical Error Correction (CGEC) by modeling the token dependencies.
ASR-EC Benchmark: Evaluating Large Language Models on Chinese ASR Error Correction (2025.emnlp-industry)

Copied to clipboard

Challenge: Automatic Speech Recognition (ASR) systems have a substantial number of erroneous recognition due to environmental noise, ambiguity, etc.
Approach: They use a benchmark dataset to analyze ASR errors in the Chinese language . they then apply large language models to correct ASR error correction .
Outcome: The proposed method is based on a dataset of ASR errors in the Chinese language . it shows prompting is not effective for ASR error correction .
Non-Autoregressive Text Generation with Pre-trained Language Models (2021.eacl-main)

Copied to clipboard

Challenge: Autoregressive generation models generate tokens in a left-to-right, token-by-token fashion, resulting in lag in inference.
Approach: They propose to use BERT as the backbone of a non-autoregressive generation model for greatly improved performance.
Outcome: The proposed model outperforms existing non-autoregressive models and achieves competitive performance with many strong autoregressive model.
Exploring Non-Autoregressive Text Style Transfer (2021.emnlp-main)

Copied to clipboard

Challenge: Existing methods for text style transfer use autoregressive decoding, but they are slow and low parallelizability.
Approach: They propose a base NAR model by directly adapting the common training scheme from its AutoRegressive counterpart.
Outcome: The proposed model sacrifices performance due to lack of conditional dependence between output tokens . knowledge distillation, contrastive learning, and iterative decoding are employed to improve the model .
An Empirical Study of Iterative Refinements for Non-autoregressive Translation (2025.acl-long)

Copied to clipboard

Challenge: Iterative non-autoregressive (NAR) models have recently demonstrated impressive performance in varied generation tasks, surpassing the autoregressive Transformer.
Approach: They propose a strategy to conduct efficient refinements without performance declines by using two simple metrics to identify potential problems existing in current refinement processes.
Outcome: The proposed model outperforms the autoregressive Transformer by around one BLEU on average.
Non-Autoregressive Sequence Generation (2022.acl-tutorials)

Copied to clipboard

Challenge: Non-autoregressive sequence generation (NAR) models generate output sequences in parallel to speed up generation process.
Approach: This tutorial provides a thorough introduction and review of non-autoregressive sequence generation . it aims to generate the entire or partial output sequences in parallel to speed up the generation process .
Outcome: This tutorial provides a thorough introduction and review of non-autoregressive sequence generation . it aims to reduce the performance gap between state-of-the-art models due to lack of modeling power .

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