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Neural machine translation (NMT) models generally adopt an encoder-decoder architecture for modeling the entire translation process. The encoder summarizes the representation of input sentence from scratch, which is potentially a problem if…

计算与语言 · 计算机科学 2018-12-27 Xinwei Geng , Longyue Wang , Xing Wang , Bing Qin , Ting Liu , Zhaopeng Tu

In recent years, neural machine translation (NMT) has become the dominant approach in automated translation. However, like many other deep learning approaches, NMT suffers from overfitting when the amount of training data is limited. This…

计算与语言 · 计算机科学 2019-10-01 Inigo Jauregi Unanue , Ehsan Zare Borzeshi , Massimo Piccardi

This paper presents two strong methods, CTC and Imputer, for non-autoregressive machine translation that model latent alignments with dynamic programming. We revisit CTC for machine translation and demonstrate that a simple CTC model can…

计算与语言 · 计算机科学 2020-11-17 Chitwan Saharia , William Chan , Saurabh Saxena , Mohammad Norouzi

The non-autoregressive models have boosted the efficiency of neural machine translation through parallelized decoding at the cost of effectiveness when comparing with the autoregressive counterparts. In this paper, we claim that the…

计算与语言 · 计算机科学 2021-01-25 Ye Liu , Yao Wan , Jian-Guo Zhang , Wenting Zhao , Philip S. Yu

Iterative refinement -- start with a random guess, then iteratively improve the guess -- is a useful paradigm for representation learning because it offers a way to break symmetries among equally plausible explanations for the data. This…

机器学习 · 计算机科学 2023-01-03 Michael Chang , Thomas L. Griffiths , Sergey Levine

Large Transformer models have achieved state-of-the-art results in neural machine translation and have become standard in the field. In this work, we look for the optimal combination of known techniques to optimize inference speed without…

计算与语言 · 计算机科学 2020-10-08 Yi-Te Hsu , Sarthak Garg , Yi-Hsiu Liao , Ilya Chatsviorkin

Continuous diffusion and flow models are attractive for non-autoregressive text generation because they can update all positions in parallel. A major difficulty is the interface between continuous latent states and discrete tokens. This…

计算与语言 · 计算机科学 2026-05-18 De Shuai Zhang

Nowadays, scene text recognition has attracted more and more attention due to its various applications. Most state-of-the-art methods adopt an encoder-decoder framework with attention mechanism, which generates text autoregressively from…

计算机视觉与模式识别 · 计算机科学 2021-09-10 Zhi Qiao , Yu Zhou , Jin Wei , Wei Wang , Yuan Zhang , Ning Jiang , Hongbin Wang , Weiping Wang

While achieving state-of-the-art results in multiple tasks and languages, translation-based cross-lingual transfer is often overlooked in favour of massively multilingual pre-trained encoders. Arguably, this is due to its main limitations:…

计算与语言 · 计算机科学 2021-07-26 Edoardo Maria Ponti , Julia Kreutzer , Ivan Vulić , Siva Reddy

We design and conduct a simple experiment to study whether neural networks can perform several steps of approximate reasoning in a fixed dimensional latent space. The set of rewrites (i.e. transformations) that can be successfully performed…

机器学习 · 计算机科学 2019-09-27 Dennis Lee , Christian Szegedy , Markus N. Rabe , Sarah M. Loos , Kshitij Bansal

Finetuning language models (LMs) is crucial for adapting the models to downstream data and tasks. However, full finetuning is usually costly. Existing work, such as parameter-efficient finetuning (PEFT), often focuses on \textit{how to…

计算与语言 · 计算机科学 2025-06-03 Jian Gu , Aldeida Aleti , Chunyang Chen , Hongyu Zhang

Non-autoregressive mechanisms can significantly decrease inference time for speech transformers, especially when the single step variant is applied. Previous work on CTC alignment-based single step non-autoregressive transformer (CASS-NAT)…

音频与语音处理 · 电气工程与系统科学 2021-07-23 Ruchao Fan , Wei Chu , Peng Chang , Jing Xiao , Abeer Alwan

Autoregressive decoding is the only part of sequence-to-sequence models that prevents them from massive parallelization at inference time. Non-autoregressive models enable the decoder to generate all output symbols independently in…

计算与语言 · 计算机科学 2018-11-13 Jindřich Libovický , Jindřich Helcl

We investigate automatic interlinear glossing in low-resource settings. We augment a hard-attentional neural model with embedded translation information extracted from interlinear glossed text. After encoding these translations using large…

计算与语言 · 计算机科学 2024-03-14 Changbing Yang , Garrett Nicolai , Miikka Silfverberg

Recently, simultaneous translation has gathered a lot of attention since it enables compelling applications such as subtitle translation for a live event or real-time video-call translation. Some of these translation applications allow…

Non-autoregressive neural machine translation (NAT) offers substantial translation speed up compared to autoregressive neural machine translation (AT) at the cost of translation quality. Latent variable modeling has emerged as a promising…

计算与语言 · 计算机科学 2024-09-10 DongNyeong Heo , Heeyoul Choi

We aim to better exploit the limited amounts of parallel text available in low-resource settings by introducing a differentiable reconstruction loss for neural machine translation (NMT). This loss compares original inputs to reconstructed…

计算与语言 · 计算机科学 2019-04-05 Xing Niu , Weijia Xu , Marine Carpuat

Non-autoregressive translation (NAT) models are typically trained with the cross-entropy loss, which forces the model outputs to be aligned verbatim with the target sentence and will highly penalize small shifts in word positions. Latent…

计算与语言 · 计算机科学 2022-10-11 Chenze Shao , Yang Feng

Recent advances in large language models (LLMs) have yielded impressive performance on various tasks, yet they often depend on high-quality feedback that can be costly. Self-refinement methods attempt to leverage LLMs' internal evaluation…

计算与语言 · 计算机科学 2025-12-01 Hikaru Asano , Tadashi Kozuno , Yukino Baba

Regularization of neural machine translation is still a significant problem, especially in low-resource settings. To mollify this problem, we propose regressing word embeddings (ReWE) as a new regularization technique in a system that is…

计算与语言 · 计算机科学 2019-04-05 Inigo Jauregi Unanue , Ehsan Zare Borzeshi , Nazanin Esmaili , Massimo Piccardi