no code implementations • 15 Jun 2022 • Tong Liu, Lei Lei, Kan Zheng, Kuan Zhang
Deep Reinforcement Learning (DRL) is regarded as a potential method for car-following control and has been mostly studied to support a single following vehicle.
1 code implementation • 3 Jun 2022 • Tong Liu, Yushan Liu, Marcel Hildebrandt, Mitchell Joblin, Hang Li, Volker Tresp
We investigate the calibration of graph neural networks for node classification, study the effect of existing post-processing calibration methods, and analyze the influence of model capacity, graph density, and a new loss function on calibration.
no code implementations • 26 Apr 2022 • Pengpeng Shao, Tong Liu, Feihu Che, Dawei Zhang, JianHua Tao
Specifically, we design the policy network in our model as a pseudo-siamese policy network that consists of two sub-policy networks.
no code implementations • 30 Mar 2022 • Tong Liu, Zengjie Zhang, Fangzhou Liu, Martin Buss
These responses depend on the unknown states at switching instants (SASI) and constitute an additive disturbance to the parameter estimation, which obstructs parameter convergence to zero.
no code implementations • 28 Mar 2022 • Lei Lei, Tong Liu, Kan Zheng, Lajos Hanzo
In this context, the value of V2X communications for DRL-based platoon controllers is studied with an emphasis on the tradeoff between the gain of including exogenous information in the system state for reducing uncertainty and the performance erosion due to the curse-of-dimensionality.
no code implementations • 14 Mar 2022 • Jiahao Shao, Shijia Geng, Zhaoji Fu, Weilun Xu, Tong Liu, Shenda Hong
The results show that our method performed more effectively against adversarial attacks targeting on ECG classification than the other baseline methods, namely, adversarial training, defensive distillation, Jacob regularization, and noise-to-signal ratio regularization.
no code implementations • 17 Feb 2022 • Roberto Amadini, Maurizio Gabbrielli, Tong Liu, Jacopo Mauro
Meta-solver approaches exploits a number of individual solvers to potentially build a better solver.
no code implementations • 2 Feb 2022 • Wen Xu, Julian Jang-Jaccard, Tong Liu, Fariza Sabrina
The network intrusion detection task is challenging because of the imbalanced and unlabeled nature of the dataset it operates on.
no code implementations • 17 Sep 2021 • Xinyuan Qi, Kai Hou, Tong Liu, Zhongzhong Yu, Sihao Hu, Wenwu Ou
Except for introducing future knowledge for prediction, we propose Aliformer based on the bidirectional Transformer, which can utilize the historical information, current factor, and future knowledge to predict future sales.
no code implementations • 19 Aug 2021 • Tong Liu, Siyuan Wang, Jingchao Fu, Lei Chen, Zhongyu Wei, Yaqi Liu, Heng Ye, Liaosa Xu, Weiqiang Wan, Xuanjing Huang
Existing system dealing with online complaint provides a final decision without explanations.
no code implementations • 6 Jul 2021 • Pengpeng Shao, Tong Liu, Dawei Zhang, JianHua Tao, Feihu Che, Guohua Yang
In this paper, we propose a Multi-Level Graph Contrastive Learning (MLGCL) framework for learning robust representation of graph data by contrasting space views of graphs.
no code implementations • CVPR 2021 • Zibo Zhao, Wen Liu, Yanyu Xu, Xianing Chen, Weixin Luo, Lei Jin, Bohui Zhu, Tong Liu, Binqiang Zhao, Shenghua Gao
One is a structure prior, it uses a human parsing map to represent the human body structure.
no code implementations • Acta Astronautica 2021 • Tong Liu, K. Ulrich Schreiber ∗
Accurate time transfer by time of flight measurements via diffuse reflections on passive orbiting space debris targets requires a selection of suitable objects out of a large catalogue of debris items.
no code implementations • 4 Mar 2021 • Tong Liu, Martin Buss
We also prove that the Lyapunov function is non-increasing even at the switching instants and thus does not impose extra dwell time constraints.
no code implementations • 28 Dec 2020 • Shizhang Li, Tong Liu
We establish a comparison isomorphism between prismatic cohomology and derived de Rham cohomology respecting various structures, such as their Frobenius actions and filtrations.
Algebraic Geometry Number Theory 14F30, 11F80
1 code implementation • 16 Nov 2020 • Pengpeng Shao, Guohua Yang, Dawei Zhang, JianHua Tao, Feihu Che, Tong Liu
Developing the model for temporal knowledge graphs completion is an increasingly important task.
no code implementations • 10 Nov 2020 • Feihu Che, Guohua Yang, Dawei Zhang, JianHua Tao, Pengpeng Shao, Tong Liu
In addition, we summarize three kinds of augmentation methods for graph-structured data and apply them to the DGB.
1 code implementation • 8 Sep 2020 • Nanyu Li, Yujuan Si, Di Wang, Tong Liu, Jinrun Yu
In VQ method, a set of dictionaries corresponding to segments of ECG beats is trained, and VQ codes are used to represent each heartbeat.
1 code implementation • 7 Sep 2020 • Tong Liu, Roberto Amadini, Jacopo Mauro, Maurizio Gabbrielli
A preliminary version of sunny-as2 was submitted to the Open Algorithm Selection Challenge (OASC) in 2017, where it turned out to be the best approach for the runtime minimization of decision problems.
no code implementations • 16 Mar 2020 • Tharindu Cyril Weerasooriya, Tong Liu, Christopher M. Homan
Supervised machine learning often requires human-annotated data.
1 code implementation • 4 Feb 2020 • Tong Liu, Zhaowei Chen, Yi Yang, Zehao Wu, Haowei Li
Nowadays, deep learning techniques are widely used for lane detection, but application in low-light conditions remains a challenge until this day.
1 code implementation • 15 Jul 2019 • Zhen-Yu Zhang, Xiangfeng Luo, Tong Liu, Shaorong Xie, Jianshu Wang, Wei Wang, Yang Li, Yan Peng
Instability and slowness are two main problems in deep reinforcement learning.
no code implementations • 30 Jan 2019 • Tong Liu, Christopher M. Homan
We present the Twitter Job/Employment Corpus, a collection of tweets annotated by a humans-in-the-loop supervised learning framework that integrates crowdsourcing contributions and expertise on the local community and employment environment.
no code implementations • 20 Mar 2018 • Xiaohang Fu, Tong Liu, Zhaohan Xiong, Bruce H. Smaill, Martin K. Stiles, Jichao Zhao
Segmentation of histological images is one of the most crucial tasks for many biomedical analyses including quantification of certain tissue type.
1 code implementation • 30 Jan 2017 • Tong Liu, Qijin Cheng, Christopher M. Homan, Vincent M. B. Silenzio
Suicide is an important but often misunderstood problem, one that researchers are now seeking to better understand through social media.
no code implementations • COLING 2016 • Wei Song, Tong Liu, Ruiji Fu, Lizhen Liu, Hanshi Wang, Ting Liu
Parallelism is an important rhetorical device.