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Simultaneous machine translation (SiMT) starts its translation before reading the whole source sentence and employs either fixed or adaptive policy to generate the target sentence. Compared to the fixed policy, the adaptive policy achieves…

Computation and Language · Computer Science 2022-10-24 Shoutao Guo , Shaolei Zhang , Yang Feng

Simultaneous Machine Translation (SiMT) generates translations while reading the source sentence, necessitating a policy to determine the optimal timing for reading and generating words. Despite the remarkable performance achieved by Large…

Computation and Language · Computer Science 2024-02-21 Shoutao Guo , Shaolei Zhang , Zhengrui Ma , Min Zhang , Yang Feng

Simultaneous Machine Translation (SiMT) generates target outputs while receiving stream source inputs and requires a read/write policy to decide whether to wait for the next source token or generate a new target token, whose decisions form…

Computation and Language · Computer Science 2024-06-05 Donglei Yu , Xiaomian Kang , Yuchen Liu , Yu Zhou , Chengqing Zong

Simultaneous Machine Translation (SiMT) generates target translations while reading the source sentence. It relies on a policy to determine the optimal timing for reading sentences and generating translations. Existing SiMT methods…

Computation and Language · Computer Science 2024-06-13 Shoutao Guo , Shaolei Zhang , Zhengrui Ma , Min Zhang , Yang Feng

Simultaneous machine translation (SiMT) outputs translation while reading source sentence and hence requires a policy to decide whether to wait for the next source word (READ) or generate a target word (WRITE), the actions of which form a…

Computation and Language · Computer Science 2022-03-23 Shaolei Zhang , Yang Feng

Simultaneous machine translation (SiMT) generates translation before reading the entire source sentence and hence it has to trade off between translation quality and latency. To fulfill the requirements of different translation quality and…

Computation and Language · Computer Science 2022-03-22 Shaolei Zhang , Yang Feng

Simultaneous machine translation (SiMT) outputs the translation while receiving the source inputs, and hence needs to balance the received source information and translated target information to make a reasonable decision between waiting…

Computation and Language · Computer Science 2022-10-21 Shaolei Zhang , Shoutao Guo , Yang Feng

This paper addresses the problem of simultaneous machine translation (SiMT) by exploring two main concepts: (a) adaptive policies to learn a good trade-off between high translation quality and low latency; and (b) visual information to…

Computation and Language · Computer Science 2021-02-24 Julia Ive , Andy Mingren Li , Yishu Miao , Ozan Caglayan , Pranava Madhyastha , Lucia Specia

In simultaneous translation (SimulMT), the most widely used strategy is the wait-k policy thanks to its simplicity and effectiveness in balancing translation quality and latency. However, wait-k suffers from two major limitations: (a) it is…

Computation and Language · Computer Science 2022-04-28 Guangxu Xun , Mingbo Ma , Yuchen Bian , Xingyu Cai , Jiaji Huang , Renjie Zheng , Junkun Chen , Jiahong Yuan , Kenneth Church , Liang Huang

Simultaneous translation is widely useful but remains challenging. Previous work falls into two main categories: (a) fixed-latency policies such as Ma et al. (2019) and (b) adaptive policies such as Gu et al. (2017). The former are simple…

Computation and Language · Computer Science 2019-09-13 Baigong Zheng , Renjie Zheng , Mingbo Ma , Liang Huang

Recent years have seen remarkable advances in the field of Simultaneous Machine Translation (SiMT) due to the introduction of innovative policies that dictate whether to READ or WRITE at each step of the translation process. However, a…

Computation and Language · Computer Science 2023-10-26 Kang Kim , Hankyu Cho

When the complete source sentence is provided, Large Language Models (LLMs) perform excellently in offline machine translation even with a simple prompt "Translate the following sentence from [src lang] into [tgt lang]:". However, in many…

Computation and Language · Computer Science 2025-05-30 Biao Fu , Minpeng Liao , Kai Fan , Chengxi Li , Liang Zhang , Yidong Chen , Xiaodong Shi

Simultaneous or streaming machine translation generates translation while reading the input stream. These systems face a quality/latency trade-off, aiming to achieve high translation quality similar to non-streaming models with minimal…

Computation and Language · Computer Science 2025-03-31 Zeeshan Ahmed , Frank Seide , Zhe Liu , Rastislav Rabatin , Jachym Kolar , Niko Moritz , Ruiming Xie , Simone Merello , Christian Fuegen

Simultaneous Machine Translation (SiMT) requires high-quality translations under strict real-time constraints, which traditional encoder-decoder policies with only READ/WRITE actions cannot fully address. We extend the action space of SiMT…

Computation and Language · Computer Science 2025-09-29 Qianen Zhang , Satoshi Nakamura

Simultaneous machine translation (SiMT) outputs translation while receiving the streaming source inputs, and hence needs a policy to determine where to start translating. The alignment between target and source words often implies the most…

Computation and Language · Computer Science 2022-03-18 Shaolei Zhang , Yang Feng

Simultaneous machine translation (SiMT) generates translation while reading the whole source sentence. However, existing SiMT models are typically trained using the same reference disregarding the varying amounts of available source…

Computation and Language · Computer Science 2023-10-27 Shoutao Guo , Shaolei Zhang , Yang Feng

Simultaneous machine translation, which aims at a real-time translation, is useful in many live scenarios but very challenging due to the trade-off between accuracy and latency. To achieve the balance for both, the model needs to wait for…

Computation and Language · Computer Science 2023-03-22 Lei Lin , Shuangtao Li , Xiaodong Shi

Simultaneous translation (ST) outputs translation while receiving the source inputs, and hence requires a policy to determine whether to translate a target token or wait for the next source token. The major challenge of ST is that each…

Computation and Language · Computer Science 2022-11-02 Shaolei Zhang , Yang Feng

Simultaneous Machine Translation (SiMT) requires high-quality translations under strict real-time constraints, which traditional policies with only READ/WRITE actions cannot fully address. We extend the action space of SiMT with four…

Computation and Language · Computer Science 2026-01-19 Qianen Zhang , Zeyu Yang , Satoshi Nakamura

Simultaneous machine translation (SiMT) has traditionally relied on offline machine translation models coupled with human-engineered heuristics or learned policies. We propose Hikari, a policy-free, fully end-to-end model that performs…

Computation and Language · Computer Science 2026-03-13 Roman Koshkin , Jeon Haesung , Lianbo Liu , Hao Shi , Mengjie Zhao , Yusuke Fujita , Yui Sudo
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