collaborators

6 papers

cs.CL2026

GRRM: Group Relative Reward Modeling for Machine Translation

Sen Yang, Shanbo Cheng, Lu Xu +2

While Group Relative Policy Optimization (GRPO) offers a powerful framework for LLM post-training, its effectiveness in open-ended domains like Machine Translation hinges on accura…

cs.CL2025

Seed-X: Building Strong Multilingual Translation LLM with 7B Parameters

Shanbo Cheng, Yu Bao, Qian Cao +23

Multilingual translation stands as a challenging task for large language models (LLMs) to handle intricate language patterns and stilted translations that arise in automated transl…

cs.LG2025

DuPO: Enabling Reliable LLM Self-Verification via Dual Preference Optimization

Shuaijie She, Yu Bao, Yu Lu +7

We present DuPO, a dual learning-based preference optimization framework that generates annotation-free feedback via a generalized duality. DuPO addresses two key limitations: Rein…

cs.CL2025

Seed LiveInterpret 2.0: End-to-end Simultaneous Speech-to-speech Translation with Your Voice

Shanbo Cheng, Yu Bao, Zhichao Huang +25

Simultaneous Interpretation (SI) represents one of the most daunting frontiers in the translation industry, with product-level automatic systems long plagued by intractable challen…

cs.CL2025

SeqPO-SiMT: Sequential Policy Optimization for Simultaneous Machine Translation

Ting Xu, Zhichao Huang, Jiankai Sun +2

We present Sequential Policy Optimization for Simultaneous Machine Translation (SeqPO-SiMT), a new policy optimization framework that defines the simultaneous machine translation (…

cs.CL2025

From Tens of Hours to Tens of Thousands: Scaling Back-Translation for Speech Recognition

Tianduo Wang, Lu Xu, Wei Lu +1

Recent advances in Automatic Speech Recognition (ASR) have been largely fueled by massive speech corpora. However, extending coverage to diverse languages with limited resources re…