no code implementations • AACL (WAT) 2020 • Zhengzhe Yu, Zhanglin Wu, Xiaoyu Chen, Daimeng Wei, Hengchao Shang, Jiaxin Guo, Zongyao Li, Minghan Wang, Liangyou Li, Lizhi Lei, Hao Yang, Ying Qin
This paper describes our work in the WAT 2020 Indic Multilingual Translation Task.
no code implementations • IWSLT (ACL) 2022 • Zongyao Li, Jiaxin Guo, Daimeng Wei, Hengchao Shang, Minghan Wang, Ting Zhu, Zhanglin Wu, Zhengzhe Yu, Xiaoyu Chen, Lizhi Lei, Hao Yang, Ying Qin
This paper presents our submissions to the IWSLT 2022 Isometric Spoken Language Translation task.
no code implementations • WMT (EMNLP) 2021 • Hao Yang, Zhanglin Wu, Zhengzhe Yu, Xiaoyu Chen, Daimeng Wei, Zongyao Li, Hengchao Shang, Minghan Wang, Jiaxin Guo, Lizhi Lei, Chuanfei Xu, Min Zhang, Ying Qin
This paper describes the submission of Huawei Translation Service Center (HW-TSC) to WMT21 biomedical translation task in two language pairs: Chinese↔English and German↔English (Our registered team name is HuaweiTSC).
no code implementations • WMT (EMNLP) 2021 • Zhengzhe Yu, Daimeng Wei, Zongyao Li, Hengchao Shang, Xiaoyu Chen, Zhanglin Wu, Jiaxin Guo, Minghan Wang, Lizhi Lei, Min Zhang, Hao Yang, Ying Qin
This paper presents the submission of Huawei Translation Services Center (HW-TSC) to the WMT 2021 Large-Scale Multilingual Translation Task.
no code implementations • WMT (EMNLP) 2021 • Zongyao Li, Daimeng Wei, Hengchao Shang, Xiaoyu Chen, Zhanglin Wu, Zhengzhe Yu, Jiaxin Guo, Minghan Wang, Lizhi Lei, Min Zhang, Hao Yang, Ying Qin
This paper presents the submission of Huawei Translation Service Center (HW-TSC) to WMT 2021 Triangular MT Shared Task.
no code implementations • WMT (EMNLP) 2021 • Daimeng Wei, Zongyao Li, Zhanglin Wu, Zhengzhe Yu, Xiaoyu Chen, Hengchao Shang, Jiaxin Guo, Minghan Wang, Lizhi Lei, Min Zhang, Hao Yang, Ying Qin
This paper presents the submission of Huawei Translate Services Center (HW-TSC) to the WMT 2021 News Translation Shared Task.
no code implementations • 30 Nov 2023 • Hengchao Shang, Zongyao Li, Daimeng Wei, Jiaxin Guo, Minghan Wang, Xiaoyu Chen, Lizhi Lei, Hao Yang
WLAC predicts a target word given a source sentence, translation context, and a human typed character sequence.
no code implementations • 10 Oct 2023 • Yingyan Zeng, Xiaoyu Chen, Ran Jin
It is challenging but important to save annotation efforts in streaming data acquisition to maintain data quality for supervised learning base learners.
no code implementations • 5 Jun 2023 • Yecheng Xue, Xiaoyu Chen, Tongyang Li, Shaofeng H. -C. Jiang
$k$-Clustering in $\mathbb{R}^d$ (e. g., $k$-median and $k$-means) is a fundamental machine learning problem.
1 code implementation • 2 Jun 2023 • Daimeng Wei, Zhanglin Wu, Hengchao Shang, Zongyao Li, Minghan Wang, Jiaxin Guo, Xiaoyu Chen, Zhengzhe Yu, Hao Yang
To address this issue, we propose Text Style Transfer Back Translation (TST BT), which uses a style transfer model to modify the source side of BT data.
no code implementations • 25 May 2023 • Xiaoyu Chen, Shenao Zhang, Pushi Zhang, Li Zhao, Jianyu Chen
With strong capabilities of reasoning and a generic understanding of the world, Large Language Models (LLMs) have shown great potential in building versatile embodied decision making agents capable of performing diverse tasks.
no code implementations • 12 May 2023 • Chuheng Zhang, Yitong Duan, Xiaoyu Chen, Jianyu Chen, Jian Li, Li Zhao
To evaluate our algorithms, we also implement a carefully designed simulator based on historical limit order book (LOB) data to provide a high-fidelity benchmark for different algorithms.
1 code implementation • 25 Feb 2023 • Yaqi Liu, Binbin Lv, Xin Jin, Xiaoyu Chen, Xiaokun Zhang
In this paper, we propose a Transformer-style network with two feature extraction branches for image forgery localization, and it is named as Two-Branch Transformer (TBFormer).
no code implementations • 24 Dec 2022 • Xiaoyu Chen, Xiangming Zhu, Yufeng Zheng, Pushi Zhang, Li Zhao, Wenxue Cheng, Peng Cheng, Yongqiang Xiong, Tao Qin, Jianyu Chen, Tie-Yan Liu
One of the key challenges in deploying RL to real-world applications is to adapt to variations of unknown environment contexts, such as changing terrains in robotic tasks and fluctuated bandwidth in congestion control.
no code implementations • 21 Nov 2022 • Xiaoyu Chen, Feng Yan, Menghan Hu, Zihuai Lin
This paper examines the energy efficiency optimization problem of intelligent reflective surface (IRS)-assisted multi-user rate division multiple access (RSMA) downlink systems under terahertz propagation.
no code implementations • 19 Oct 2022 • Haotian Ye, Xiaoyu Chen, LiWei Wang, Simon S. Du
Generalization in Reinforcement Learning (RL) aims to learn an agent during training that generalizes to the target environment.
no code implementations • 10 Oct 2022 • Xiaoyu Chen, Xiaoning Kang, Ran Jin, Xinwei Deng
In this work, we propose a Bayesian sparse regression for multivariate mixed responses to enhance the prediction of runtime performance metrics and to enable the statistical inferences.
no code implementations • 23 May 2022 • Xiaoyu Chen, Yao Mu, Ping Luo, Shengbo Li, Jianyu Chen
Furthermore, we show that the learned belief states can be plugged into downstream RL algorithms to improve performance.
no code implementations • 23 May 2022 • Xiaoyu Chen, Han Zhong, Zhuoran Yang, Zhaoran Wang, LiWei Wang
To the best of our knowledge, this is the first theoretical result for PbRL with (general) function approximation.
1 code implementation • 18 Feb 2022 • Jiawei Yang, Hanbo Chen, Jiangpeng Yan, Xiaoyu Chen, Jianhua Yao
Histology images are a natural choice for such a study.
1 code implementation • 4 Nov 2021 • Hong-Yu Zhou, Xiaoyu Chen, Yinghao Zhang, Ruibang Luo, Liansheng Wang, Yizhou Yu
Pre-training lays the foundation for recent successes in radiograph analysis supported by deep learning.
no code implementations • NeurIPS 2021 • Pushi Zhang, Xiaoyu Chen, Li Zhao, Wei Xiong, Tao Qin, Tie-Yan Liu
To fully inherit the benefits of distributional RL and hybrid reward architectures, we introduce Multi-Dimensional Distributional DQN (MD3QN), which extends distributional RL to model the joint return distribution from multiple reward sources.
Distributional Reinforcement Learning
reinforcement-learning
+1
no code implementations • ICLR 2022 • Xiaoyu Chen, Jiachen Hu, Lin F. Yang, LiWei Wang
In particular, we take a plug-in solver approach, where we focus on learning a model in the exploration phase and demand that \emph{any planning algorithm} on the learned model can give a near-optimal policy.
Model-based Reinforcement Learning
Reinforcement Learning (RL)
no code implementations • ICLR 2022 • Xiaoyu Chen, Jiachen Hu, Chi Jin, Lihong Li, LiWei Wang
Reinforcement learning encounters many challenges when applied directly in the real world.
1 code implementation • 7 Oct 2021 • BinBin Zhang, Hang Lv, Pengcheng Guo, Qijie Shao, Chao Yang, Lei Xie, Xin Xu, Hui Bu, Xiaoyu Chen, Chenchen Zeng, Di wu, Zhendong Peng
In this paper, we present WenetSpeech, a multi-domain Mandarin corpus consisting of 10000+ hours high-quality labeled speech, 2400+ hours weakly labeled speech, and about 10000 hours unlabeled speech, with 22400+ hours in total.
Ranked #5 on
Speech Recognition
on WenetSpeech
no code implementations • ICLR 2022 • Jiawei Yang, Hanbo Chen, Jiangpeng Yan, Xiaoyu Chen, Jianhua Yao
Histology images are a natural choice for such study.
no code implementations • 24 Sep 2021 • Chen Gong, Qiang He, Yunpeng Bai, Zhou Yang, Xiaoyu Chen, Xinwen Hou, Xianjie Zhang, Yu Liu, Guoliang Fan
In FRL, the policy evaluation and policy improvement phases are simultaneously performed by minimizing the $f$-divergence between the learning policy and sampling policy, which is distinct from conventional DRL algorithms that aim to maximize the expected cumulative rewards.
no code implementations • 22 Sep 2021 • Xiaoyu Chen, Chen Gong, Qiang He, Xinwen Hou, Yu Liu
Variational autoencoders (VAEs), as an important aspect of generative models, have received a lot of research interests and reached many successful applications.
no code implementations • 23 Jul 2021 • Parshin Shojaee, Xiaoyu Chen, Ran Jin
Because of the shortage, organ matching decision is the most critical decision to assign the limited viable organs to the most suitable patients.
no code implementations • 4 Jul 2021 • Ao Liu, Xiaoyu Chen, Sijia Liu, Lirong Xia, Chuang Gan
The advantages of our Renyi-Robust-Smooth (RDP-based interpretation method) are three-folds.
no code implementations • 10 Jun 2021 • Di wu, BinBin Zhang, Chao Yang, Zhendong Peng, Wenjing Xia, Xiaoyu Chen, Xin Lei
On the experiment of AISHELL-1, we achieve a 4. 63\% character error rate (CER) with a non-streaming setup and 5. 05\% with a streaming setup with 320ms latency by U2++.
no code implementations • 24 Feb 2021 • Xiaoyu Chen, Wen Duan, Xinwei Fan, Wenshan Hong, Kailun Chen, Huan Yang, Shiliang Li, Huiqian Luo, Hai-Hu Wen
We report the observation of discrete vortex bound states with the energy levels deviating from the widely believed ratio of 1:3:5 in the vortices of an iron based superconductor KCa2Fe4As4F2 through scanning tunneling microcopy (STM).
Superconductivity Strongly Correlated Electrons
no code implementations • 17 Feb 2021 • Wen Duan, Kailun Chen, Wenshan Hong, Xiaoyu Chen, Huan Yang, Shiliang Li, Huiqian Luo, Hai-Hu Wen
On the second type of surface which is rarely obtained, the fully gapped feature can still be observed on the tunneling spectra, although multiple gaps are obtained either from a single spectrum or separate ones, and the gap values determined from coherence peaks locate mainly in the range from 4 to 8 meV.
Superconductivity
no code implementations • 8 Feb 2021 • Jiachen Hu, Xiaoyu Chen, Chi Jin, Lihong Li, LiWei Wang
This paper studies representation learning for multi-task linear bandits and multi-task episodic RL with linear value function approximation.
3 code implementations • 2 Feb 2021 • Zhuoyuan Yao, Di wu, Xiong Wang, BinBin Zhang, Fan Yu, Chao Yang, Zhendong Peng, Xiaoyu Chen, Lei Xie, Xin Lei
In this paper, we propose an open source, production first, and production ready speech recognition toolkit called WeNet in which a new two-pass approach is implemented to unify streaming and non-streaming end-to-end (E2E) speech recognition in a single model.
no code implementations • 1 Feb 2021 • Xiaoyong Bo, Xiaoyu Chen, Huashun Li, Yunchang Dong, Zhaoyang Qu, Lei Wang, Yang Li
Considering the constraints of the temporal conversion of information flow and energy flow, a microgrid CPS coupling model is established, the effectiveness of which is verified by simulating false data injection attack (FDIA) scenarios.
no code implementations • 28 Dec 2020 • Xiaoyu Chen, Chi Zhang, Guosheng Lin, Jing Han
Moreover, when we use our network to handle the long-tail problem in a fully supervised point cloud segmentation dataset, it can also effectively boost the performance of the few-shot classes.
1 code implementation • EMNLP (DeeLIO) 2020 • Xiaoyu Chen, Rohan Badlani
This paper proposes an architecture for the relation extraction task that integrates semantic information with knowledge base modeling in a novel manner.
no code implementations • ICLR 2021 • Xiaoyu Chen, Jiachen Hu, Lihong Li, Li-Wei Wang
The regret of FMDP-BF is shown to be exponentially smaller than that of optimal algorithms designed for non-factored MDPs, and improves on the best previous result for FMDPs~\citep{osband2014near} by a factored of $\sqrt{H|\mathcal{S}_i|}$, where $|\mathcal{S}_i|$ is the cardinality of the factored state subspace and $H$ is the planning horizon.
no code implementations • 27 Jul 2020 • Chuang Gan, Xiaoyu Chen, Phillip Isola, Antonio Torralba, Joshua B. Tenenbaum
Humans integrate multiple sensory modalities (e. g. visual and audio) to build a causal understanding of the physical world.
no code implementations • ICML 2020 • Xiaoyu Chen, Kai Zheng, Zixin Zhou, Yunchang Yang, Wei Chen, Li-Wei Wang
In this paper, we study Combinatorial Semi-Bandits (CSB) that is an extension of classic Multi-Armed Bandits (MAB) under Differential Privacy (DP) and stronger Local Differential Privacy (LDP) setting.
no code implementations • 29 Jun 2019 • XiaoYu Chen, Xu Wang, Lianfa Bai, Jing Han, Zhuang Zhao
In this paper, we present a convolution neural network based method to recover the light intensity distribution from the overlapped dispersive spectra instead of adding an extra light path to capture it directly for the first time.
no code implementations • 29 Jun 2019 • Xiaoyu Chen, Qixin Wang, Jinzhou Ge, Yi Zhang, Jing Han
At present, supervised stereo methods based on deep neural network have achieved impressive results.
no code implementations • ICLR 2020 • Yuanhao Wang, Jiachen Hu, Xiaoyu Chen, Li-Wei Wang
We study the problem of regret minimization for distributed bandits learning, in which $M$ agents work collaboratively to minimize their total regret under the coordination of a central server.
no code implementations • 9 Apr 2019 • Xiaoyu Chen, Shugong Xu, Xudong Chen, Shan Cao, Shunqing Zhang, Yanzan Sun
TCP congestion control algorithm identification (TCP identification) can be used to significantly improve network efficiency.
1 code implementation • 23 Mar 2019 • Xiaoyu Chen, Xiaotian Lou, Lianfa Bai, Jing Han
In this paper, we put forward a method for single-shot segmentation in a feature residual pyramid network (RPNet), which learns the main and residuals of segmentation by decomposing the label at different levels of residual blocks.
no code implementations • ICLR 2020 • Kefan Dong, Yuanhao Wang, Xiaoyu Chen, Li-Wei Wang
A fundamental question in reinforcement learning is whether model-free algorithms are sample efficient.
no code implementations • 20 Mar 2018 • Ruobing Shen, Xiaoyu Chen, Xiangrui Zheng, Gerhard Reinelt
Many computer vision applications, such as object recognition and segmentation, increasingly build on superpixels.
no code implementations • 6 Nov 2014 • Xiaoyu Chen, Dongming Wang
We study the data space $D$ of any given data set $X$ and explain how functions and relations are defined over $D$.
no code implementations • 6 Jun 2014 • Xiaoyu Chen, Dan Song, Dongming Wang
We propose an approach to generate geometric theorems from electronic images of diagrams automatically.