Search Results for author: Chengwei Zhang

Found 8 papers, 2 papers with code

Transfer Learning across Different Chemical Domains: Virtual Screening of Organic Materials with Deep Learning Models Pretrained on Small Molecule and Chemical Reaction Data

no code implementations30 Nov 2023 Chengwei Zhang, Yushuang Zhai, Ziyang Gong, Hongliang Duan, Yuan-Bin She, Yun-Fang Yang, An Su

This study showcases the potential of utilizing databases of drug-like small molecules and chemical reactions to pretrain the BERT model, enhancing its performance in the virtual screening of organic materials.

Transfer Learning

Independent Reinforcement Learning for Weakly Cooperative Multiagent Traffic Control Problem

1 code implementation22 Apr 2021 Chengwei Zhang, Shan Jin, Wanli Xue, Xiaofei Xie, ShengYong Chen, Rong Chen

To this, we model the traffic control problem as a partially observable weak cooperative traffic model (PO-WCTM) to optimize the overall traffic situation of a group of intersections.

Decision Making reinforcement-learning +1

MUSE: Multi-Scale Temporal Features Evolution for Knowledge Tracing

no code implementations30 Jan 2021 Chengwei Zhang, Yangzhou Jiang, Wei zhang, Chengyu Gu

The proposed model is capable to capture the dynamic changes in users knowledge states at different temporal-ranges, and provides an efficient and powerful way to combine local and global features to make predictions.

Knowledge Tracing

Adversarial Seeded Sequence Growing for Weakly-Supervised Temporal Action Localization

no code implementations7 Aug 2019 Chengwei Zhang, Yunlu Xu, Zhanzhan Cheng, Yi Niu, ShiLiang Pu, Fei Wu, Futai Zou

The second module is a specific classifier for mining trivial or incomplete action regions, which is trained on the shared features after erasing the seeded regions activated by SSG.

Action Detection Weakly-supervised Temporal Action Localization +1

SCC-rFMQ Learning in Cooperative Markov Games with Continuous Actions

no code implementations18 Sep 2018 Chengwei Zhang, Xiaohong Li, Jianye Hao, Siqi Chen, Karl Tuyls, Zhiyong Feng, Wanli Xue, Rong Chen

Although many reinforcement learning methods have been proposed for learning the optimal solutions in single-agent continuous-action domains, multiagent coordination domains with continuous actions have received relatively few investigations.

reinforcement-learning Reinforcement Learning (RL)

SA-IGA: A Multiagent Reinforcement Learning Method Towards Socially Optimal Outcomes

no code implementations8 Mar 2018 Chengwei Zhang, Xiaohong Li, Jianye Hao, Siqi Chen, Karl Tuyls, Wanli Xue

In multiagent environments, the capability of learning is important for an agent to behave appropriately in face of unknown opponents and dynamic environment.

Q-Learning reinforcement-learning +1

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