Search Results for author: Lihang Liu

Found 11 papers, 5 papers with code

HelixFold-Multimer: Elevating Protein Complex Structure Prediction to New Heights

no code implementations16 Apr 2024 Xiaomin Fang, Jie Gao, Jing Hu, Lihang Liu, Yang Xue, Xiaonan Zhang, Kunrui Zhu

While monomer protein structure prediction tools boast impressive accuracy, the prediction of protein complex structures remains a daunting challenge in the field.

Protein Structure Prediction

Pre-Training on Large-Scale Generated Docking Conformations with HelixDock to Unlock the Potential of Protein-ligand Structure Prediction Models

no code implementations21 Oct 2023 Lihang Liu, Donglong He, Xianbin Ye, Jingbo Zhou, Shanzhuo Zhang, Xiaonan Zhang, Jun Li, Hua Chai, Fan Wang, Jingzhou He, Liang Zheng, Yonghui Li, Xiaomin Fang

In this work, we show that by pre-training a geometry-aware SE(3)-Equivariant neural network on a large-scale docking conformation generated by traditional physics-based docking tools and then fine-tuning with a limited set of experimentally validated receptor-ligand complexes, we can achieve outstanding performance.

Drug Discovery Molecular Docking

GEM-2: Next Generation Molecular Property Prediction Network by Modeling Full-range Many-body Interactions

1 code implementation11 Aug 2022 Lihang Liu, Donglong He, Xiaomin Fang, Shanzhuo Zhang, Fan Wang, Jingzhou He, Hua Wu

Full-range many-body interactions between electrons have been proven effective in obtaining an accurate solution of the Schr"odinger equation by classical computational chemistry methods, although modeling such interactions consumes an expensive computational cost.

Drug Discovery Graph Regression +2

HelixFold-Single: MSA-free Protein Structure Prediction by Using Protein Language Model as an Alternative

1 code implementation28 Jul 2022 Xiaomin Fang, Fan Wang, Lihang Liu, Jingzhou He, Dayong Lin, Yingfei Xiang, Xiaonan Zhang, Hua Wu, Hui Li, Le Song

Our proposed method, HelixFold-Single, first pre-trains a large-scale protein language model (PLM) with thousands of millions of primary sequences utilizing the self-supervised learning paradigm, which will be used as an alternative to MSAs for learning the co-evolution information.

Protein Language Model Protein Structure Prediction +1

HelixADMET: a robust and endpoint extensible ADMET system incorporating self-supervised knowledge transfer

no code implementations17 May 2022 Shanzhuo Zhang, Zhiyuan Yan, Yueyang Huang, Lihang Liu, Donglong He, Wei Wang, Xiaomin Fang, Xiaonan Zhang, Fan Wang, Hua Wu, Haifeng Wang

Additionally, the pre-trained model provided by H-ADMET can be fine-tuned to generate new and customised ADMET endpoints, meeting various demands of drug research and development requirements.

Drug Discovery Self-Supervised Learning +1

LiteGEM: Lite Geometry Enhanced Molecular Representation Learning for Quantum Property Prediction

1 code implementation28 Jun 2021 Shanzhuo Zhang, Lihang Liu, Sheng Gao, Donglong He, Xiaomin Fang, Weibin Li, Zhengjie Huang, Weiyue Su, Wenjin Wang

In this report, we (SuperHelix team) present our solution to KDD Cup 2021-PCQM4M-LSC, a large-scale quantum chemistry dataset on predicting HOMO-LUMO gap of molecules.

molecular representation Property Prediction +2

Molecular Representation Learning by Leveraging Chemical Information

1 code implementation NA 2021 Weibin Li, Shanzhuo Zhang, Lihang Liu, Zhengjie Huang, Jieqiong Lei, Xiaomin Fang, Shikun Feng, Fan Wang

As graph neural networks have achieved great success in many domains, some studies apply graph neural networks to molecular property prediction and regard each molecule as a graph.

Graph Property Prediction Molecular Property Prediction +3

MBCAL: Sample Efficient and Variance Reduced Reinforcement Learning for Recommender Systems

no code implementations6 Nov 2019 Fan Wang, Xiaomin Fang, Lihang Liu, Hao Tian, Zhiming Peng

The proposed method takes advantage of the characteristics of recommender systems and draws ideas from the model-based reinforcement learning method for higher sample efficiency.

counterfactual Model-based Reinforcement Learning +3

Sequential Evaluation and Generation Framework for Combinatorial Recommender System

1 code implementation1 Feb 2019 Fan Wang, Xiaomin Fang, Lihang Liu, Yaxue Chen, Jiucheng Tao, Zhiming Peng, Cihang Jin, Hao Tian

On the one hand of this framework, an evaluation model is trained to evaluate the expected overall utility, by fully considering the user, item information and the correlations among the co-exposed items.

Recommendation Systems

Unsupervised Deep Domain Adaptation for Pedestrian Detection

no code implementations9 Feb 2018 Lihang Liu, Weiyao Lin, Lisheng Wu, Yong Yu, Michael Ying Yang

This paper addresses the problem of unsupervised domain adaptation on the task of pedestrian detection in crowded scenes.

Pedestrian Detection Unsupervised Domain Adaptation

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