no code implementations • games (LREC) 2022 • Monica Ward, Liang Xu, Elaine Uí Dhonnchadha
This paper provides an overview of the Cipher engine which enables the development of a Digital Educational Game (DEG) based on noticing ciphers or patterns in texts.
no code implementations • ComputEL (ACL) 2022 • Liang Xu, Elaine Uí Dhonnchadha, Monica Ward
This paper will focus on the language materials development as this is a bottleneck in the teaching and learning of minority and endangered languages.
no code implementations • CLTW (LREC) 2022 • Elaine Uí Dhonnchadha, Monica Ward, Liang Xu
This paper describes Cipher – Faoi Gheasa, a ‘game with a purpose’ designed to support the learning of Irish in a fun and enjoyable way.
no code implementations • CSRNLP (LREC) 2022 • Xing Chen, Liang Xu
By examination of the high-frequency nouns, verbs, and keywords, the present study probes into the similarities and differences of corporate images represented in Corporate Social Responsibility (CSR) reports of China Mobile and Vodafone.
no code implementations • 24 May 2023 • Xiyuan Wang, Fangyuan Wang, Bo Xu, Liang Xu, Jing Xiao
Typically, the Time-Delay Neural Network (TDNN) and Transformer can serve as a backbone for Speaker Verification (SV).
1 code implementation • 14 Nov 2022 • Yong-Lu Li, Hongwei Fan, Zuoyu Qiu, Yiming Dou, Liang Xu, Hao-Shu Fang, Peiyang Guo, Haisheng Su, Dongliang Wang, Wei Wu, Cewu Lu
In daily HOIs, humans often interact with a variety of objects, e. g., holding and touching dozens of household items in cleaning.
no code implementations • 24 May 2022 • Liang Xu, Yi Cheng, Fan Zhang, Bingxuan Wu, Pengfei Shao, Peng Liu, Shuwei Shen, Peng Yao, Ronald X. Xu
This loss is effective in addressing quantity imbalances and outliers, while regulating the focus of attention on samples with varying classification difficulties.
1 code implementation • 22 Mar 2022 • Muhammad Zakwan, Liang Xu, Giancarlo Ferrari-Trecate
Since in NODEs the input data corresponds to the initial condition of dynamical systems, we show contractivity can mitigate the effect of input perturbations.
no code implementations • 15 Mar 2022 • Liang Xu, Ziyang Song, Dongliang Wang, Jing Su, Zhicheng Fang, Chenjing Ding, Weihao Gan, Yichao Yan, Xin Jin, Xiaokang Yang, Wenjun Zeng, Wei Wu
We present a GAN-based Transformer for general action-conditioned 3D human motion generation, including not only single-person actions but also multi-person interactive actions.
2 code implementations • 14 Feb 2022 • Yong-Lu Li, Xinpeng Liu, Xiaoqian Wu, Yizhuo Li, Zuoyu Qiu, Liang Xu, Yue Xu, Hao-Shu Fang, Cewu Lu
Human activity understanding is of widespread interest in artificial intelligence and spans diverse applications like health care and behavior analysis.
no code implementations • 11 Jan 2022 • Wei Kang, Liang Xu, Hong Zhou
In this paper, we introduce the concept of observability of targeted state variables for systems that may not be fully observable.
no code implementations • 29 Dec 2021 • Wei Kang, Kai Sun, Liang Xu
We prove that a neural network approximation exists for the Lyapunov function of power systems such that the approximation error is a cubic polynomial of the number of generators.
1 code implementation • 6 Dec 2021 • Liang Xu, Muhammad Zakwan, Giancarlo Ferrari-Trecate
The energy Casimir method is an effective controller design approach to stabilize port-Hamiltonian systems at a desired equilibrium.
1 code implementation • 16 Nov 2021 • Liang Xu, Jiacheng Liu, Xiang Pan, Xiaojing Lu, Xiaofeng Hou
However, we have not seen significant research progress in this field, especially in NLP.
no code implementations • 28 Oct 2021 • Liang Xu, Cuiling Lan, Wenjun Zeng, Cewu Lu
Skeleton data carries valuable motion information and is widely explored in human action recognition.
1 code implementation • 10 Oct 2021 • Shaohua Wu, Xudong Zhao, Tong Yu, Rongguo Zhang, Chong Shen, Hongli Liu, Feng Li, Hong Zhu, Jiangang Luo, Liang Xu, Xuanwei Zhang
With this method, Yuan 1. 0, the current largest singleton language model with 245B parameters, achieves excellent performance on thousands GPUs during training, and the state-of-the-art results on NLP tasks.
no code implementations • NeurIPS Workshop DLDE 2021 • Clara Galimberti, Luca Furieri, Liang Xu, Giancarlo Ferrari-Trecate
Deep Neural Networks (DNNs) training can be difficult due to vanishing or exploding gradients during weight optimization through backpropagation.
1 code implementation • 15 Jul 2021 • Liang Xu, Xiaojing Lu, Chenyang Yuan, Xuanwei Zhang, Huilin Xu, Hu Yuan, Guoao Wei, Xiang Pan, Xin Tian, Libo Qin, Hu Hai
While different learning schemes -- fine-tuning, zero-shot, and few-shot learning -- have been widely explored and compared for languages such as English, there is comparatively little work in Chinese to fairly and comprehensively evaluate and compare these methods and thus hinders cumulative progress.
1 code implementation • 15 Jun 2021 • Ganqu Cui, Yufeng Du, Cheng Yang, Jie zhou, Liang Xu, Xing Zhou, Xingyi Cheng, Zhiyuan Liu
The recent emergence of contrastive learning approaches facilitates the application on graph representation learning (GRL), introducing graph contrastive learning (GCL) into the literature.
3 code implementations • 27 May 2021 • Clara Lucía Galimberti, Luca Furieri, Liang Xu, Giancarlo Ferrari-Trecate
Deep Neural Networks (DNNs) training can be difficult due to vanishing and exploding gradients during weight optimization through backpropagation.
2 code implementations • 27 Apr 2021 • Clara L. Galimberti, Liang Xu, Giancarlo Ferrari Trecate
Training deep neural networks (DNNs) can be difficult due to the occurrence of vanishing/exploding gradients during weight optimization.
no code implementations • Findings (EMNLP) 2021 • Liying Zheng, Yue Deng, Weishun Song, Liang Xu, Jing Xiao
Most existing models based on detect-correct framework can correct mistaken characters errors, but they cannot deal with missing or redundant characters.
no code implementations • 11 Mar 2021 • Liang Xu, Denis Eremin, Ralf Peter Brinkmann
A plasma rotating spoke in a crossed field discharge is studied using 2D radial-azimuthal fully kinetic Particle-In-Cell Monte Carlo Collision (PIC/MCC) simulations.
Super-Resolution
Plasma Physics
no code implementations • 3 Mar 2021 • Liang Xu, Giancarlo Ferrari-Trecate
In the analysis and control of discrete-time linear time-invariant systems, the spectral radius of the system state matrix plays an essential role.
Optimization and Control Systems and Control Systems and Control
1 code implementation • 25 Jan 2021 • Yong-Lu Li, Xinpeng Liu, Xiaoqian Wu, Xijie Huang, Liang Xu, Cewu Lu
Human-Object Interaction (HOI) detection is an important problem to understand how humans interact with objects.
Ranked #25 on
Human-Object Interaction Detection
on V-COCO
no code implementations • 9 Jan 2021 • Liang Xu, Taro Hatsutani, Xing Liu, Engkarat Techapanurak, Han Zou, Takayuki Okatani
We experimentally show that this makes it possible to detect cracks from an image of one-third the resolution of images used for annotation with about the same accuracy.
no code implementations • 8 Jan 2021 • Liang Xu, Liying Zheng, Weijun Li, Zhenbo Chen, Weishun Song, Yue Deng, Yongzhe Chang, Jing Xiao, Bo Yuan
In recent studies, Lots of work has been done to solve time series anomaly detection by applying Variational Auto-Encoders (VAEs).
no code implementations • 7 Jan 2021 • Shuwei Shen, Mengjuan Xu, Fan Zhang, Pengfei Shao, Honghong Liu, Liang Xu, Chi Zhang, Peng Liu, Zhihong Zhang, Peng Yao, Ronald X. Xu
At the network search stage, the DCNNs are fine-tuned with the full training set in order to select the model with the highest BACC.
no code implementations • 9 Dec 2020 • Ben Wang, Liang Xu, Lijian Zhang
As a method to extract information from optical system, imaging can be viewed as a parameter estimation problem.
Quantum Physics Optics
no code implementations • 20 Oct 2020 • Mustafa Sahin Turan, Liang Xu, Giancarlo Ferrari-Trecate
Consensusability of multi-agent systems (MASs) certifies the existence of a distributed controller capable of driving the states of each subsystem to a consensus value.
1 code implementation • Findings of the Association for Computational Linguistics 2020 • Hai Hu, Kyle Richardson, Liang Xu, Lu Li, Sandra Kuebler, Lawrence S. Moss
In this paper, we present the first large-scale NLI dataset (consisting of ~56, 000 annotated sentence pairs) for Chinese called the Original Chinese Natural Language Inference dataset (OCNLI).
no code implementations • LREC 2020 • Liang Xu, Jon Chamberlain
Errors commonly exist in machine-generated documents and publication materials; however, some correction algorithms do not perform well for complex errors and it is costly to employ humans to do the task.
3 code implementations • COLING 2020 • Liang Xu, Hai Hu, Xuanwei Zhang, Lu Li, Chenjie Cao, Yudong Li, Yechen Xu, Kai Sun, Dian Yu, Cong Yu, Yin Tian, Qianqian Dong, Weitang Liu, Bo Shi, Yiming Cui, Junyi Li, Jun Zeng, Rongzhao Wang, Weijian Xie, Yanting Li, Yina Patterson, Zuoyu Tian, Yiwen Zhang, He Zhou, Shaoweihua Liu, Zhe Zhao, Qipeng Zhao, Cong Yue, Xinrui Zhang, Zhengliang Yang, Kyle Richardson, Zhenzhong Lan
The advent of natural language understanding (NLU) benchmarks for English, such as GLUE and SuperGLUE allows new NLU models to be evaluated across a diverse set of tasks.
2 code implementations • CVPR 2020 • Yong-Lu Li, Liang Xu, Xinpeng Liu, Xijie Huang, Yue Xu, Shiyi Wang, Hao-Shu Fang, Ze Ma, Mingyang Chen, Cewu Lu
In light of this, we propose a new path: infer human part states first and then reason out the activities based on part-level semantics.
Ranked #3 on
Human-Object Interaction Detection
on HICO
2 code implementations • 3 Mar 2020 • Liang Xu, Xuanwei Zhang, Qianqian Dong
In this paper, we introduce the Chinese corpus from CLUE organization, CLUECorpus2020, a large-scale corpus that can be used directly for self-supervised learning such as pre-training of a language model, or language generation.
3 code implementations • 13 Jan 2020 • Liang Xu, Yu tong, Qianqian Dong, Yixuan Liao, Cong Yu, Yin Tian, Weitang Liu, Lu Li, Caiquan Liu, Xuanwei Zhang
In this paper, we introduce the NER dataset from CLUE organization (CLUENER2020), a well-defined fine-grained dataset for named entity recognition in Chinese.
Chinese Named Entity Recognition
named-entity-recognition
+2
no code implementations • 5 Dec 2019 • Zelin Ye, Yan Hao, Liang Xu, Rui Zhu, Cewu Lu
Further ablation study also demonstrates the effectiveness of our grouping predictor and regret mechanism.
1 code implementation • WS 2019 • Pan Deng, Haipeng Chen, Mengyao Huang, Xiaowen Ruan, Liang Xu
Different representations of the same concept could often be seen in scientific reports and publications.
Ranked #2 on
Medical Concept Normalization
on BB-norm-phenotype
2 code implementations • 13 Apr 2019 • Yong-Lu Li, Liang Xu, Xinpeng Liu, Xijie Huang, Yue Xu, Mingyang Chen, Ze Ma, Shiyi Wang, Hao-Shu Fang, Cewu Lu
To address these and promote the activity understanding, we build a large-scale Human Activity Knowledge Engine (HAKE) based on the human body part states.
Ranked #2 on
Human-Object Interaction Detection
on HICO
(using extra training data)
no code implementations • 2 Apr 2019 • Lvchen Cao, Huiqi Li, Yanjun Zhang, Liang Xu, Li Zhang
In this paper, a feature extraction-based method for grading cataract severity using retinal images is proposed.
no code implementations • 14 Dec 2018 • Jiagang Zhu, Wei Zou, Liang Xu, Yiming Hu, Zheng Zhu, Manyu Chang, Jun-Jie Huang, Guan Huang, Dalong Du
On NTU RGB-D, Action Machine achieves the state-of-the-art performance with top-1 accuracies of 97. 2% and 94. 3% on cross-view and cross-subject respectively.
Ranked #1 on
Action Recognition
on UTD-MHAD
3 code implementations • CVPR 2019 • Yong-Lu Li, Siyuan Zhou, Xijie Huang, Liang Xu, Ze Ma, Hao-Shu Fang, Yan-Feng Wang, Cewu Lu
On account of the generalization of interactiveness, interactiveness network is a transferable knowledge learner and can be cooperated with any HOI detection models to achieve desirable results.
Ranked #26 on
Human-Object Interaction Detection
on V-COCO