no code implementations • 9 Sep 2024 • Lirong Wu, Haitao Lin, Guojiang Zhao, Cheng Tan, Stan Z. Li
In this paper, we rethink the roles played by graph structural information in graph data training and identify that message passing is not the only path to modeling structural information.
1 code implementation • 20 Jul 2024 • Lirong Wu, Yunfan Liu, Haitao Lin, Yufei Huang, Stan Z. Li
To bridge the gaps between powerful Graph Neural Networks (GNNs) and lightweight Multi-Layer Perceptron (MLPs), GNN-to-MLP Knowledge Distillation (KD) proposes to distill knowledge from a well-trained teacher GNN into a student MLP.
no code implementations • 12 Jul 2024 • Sitao Luan, Chenqing Hua, Qincheng Lu, Liheng Ma, Lirong Wu, Xinyu Wang, Minkai Xu, Xiao-Wen Chang, Doina Precup, Rex Ying, Stan Z. Li, Jian Tang, Guy Wolf, Stefanie Jegelka
In this survey, we provide a comprehensive review of the latest progress on heterophilic graph learning, including an extensive summary of benchmark datasets and evaluation of homophily metrics on synthetic graphs, meticulous classification of the most updated supervised and unsupervised learning methods, thorough digestion of the theoretical analysis on homophily/heterophily, and broad exploration of the heterophily-related applications.
1 code implementation • 16 Jun 2024 • Haitao Lin, Guojiang Zhao, Odin Zhang, Yufei Huang, Lirong Wu, Zicheng Liu, Siyuan Li, Cheng Tan, Zhifeng Gao, Stan Z. Li
To broaden the scope, we have adapted these models to a range of tasks essential in drug design, which are considered sub-tasks within the graph fill-in-the-blank tasks.
no code implementations • 29 May 2024 • Zhangyang Gao, Jue Wang, Cheng Tan, Lirong Wu, Yufei Huang, Siyuan Li, Zhirui Ye, Stan Z. Li
We do such unification in two levels: 1) Data-Level: We propose a unified block graph data form for all molecules, including the local frame building and geometric feature initialization.
1 code implementation • 16 May 2024 • Lirong Wu, Yijun Tian, Haitao Lin, Yufei Huang, Siyuan Li, Nitesh V Chawla, Stan Z. Li
Protein-protein bindings play a key role in a variety of fundamental biological processes, and thus predicting the effects of amino acid mutations on protein-protein binding is crucial.
no code implementations • 8 Mar 2024 • Bozhen Hu, Cheng Tan, Lirong Wu, Jiangbin Zheng, Jun Xia, Zhangyang Gao, Zicheng Liu, Fandi Wu, Guijun Zhang, Stan Z. Li
Protein representation learning plays a crucial role in understanding the structure and function of proteins, which are essential biomolecules involved in various biological processes.
1 code implementation • 6 Mar 2024 • Lirong Wu, Haitao Lin, Zhangyang Gao, Guojiang Zhao, Stan Z. Li
As a result, TGS enjoys the benefits of graph topology awareness in training but is free from data dependency in inference.
1 code implementation • 5 Mar 2024 • Haitao Lin, Odin Zhang, Huifeng Zhao, Dejun Jiang, Lirong Wu, Zicheng Liu, Yufei Huang, Stan Z. Li
Therapeutic peptides have proven to have great pharmaceutical value and potential in recent decades.
1 code implementation • 3 Mar 2024 • Tianyu Fan, Lirong Wu, Yufei Huang, Haitao Lin, Cheng Tan, Zhangyang Gao, Stan Z. Li
In this paper, we identify two important collaborative processes for this topic: (1) select: how to select an optimal task combination from a given task pool based on their compatibility, and (2) weigh: how to weigh the selected tasks based on their importance.
no code implementations • 1 Mar 2024 • Rui Sun, Lirong Wu, Haitao Lin, Yufei Huang, Stan Z. Li
Augmentation is an effective alternative to utilize the small amount of labeled protein data.
1 code implementation • 22 Feb 2024 • Lirong Wu, Yijun Tian, Yufei Huang, Siyuan Li, Haitao Lin, Nitesh V Chawla, Stan Z. Li
In addition, microenvironments defined in previous work are largely based on experimentally assayed physicochemical properties, for which the "vocabulary" is usually extremely small.
no code implementations • 18 Feb 2024 • Yufei Huang, Odin Zhang, Lirong Wu, Cheng Tan, Haitao Lin, Zhangyang Gao, Siyuan Li, Stan. Z. Li
Accurate prediction of protein-ligand binding structures, a task known as molecular docking is crucial for drug design but remains challenging.
1 code implementation • 13 Feb 2024 • Lirong Wu, Yufei Huang, Cheng Tan, Zhangyang Gao, Bozhen Hu, Haitao Lin, Zicheng Liu, Stan Z. Li
Compound-Protein Interaction (CPI) prediction aims to predict the pattern and strength of compound-protein interactions for rational drug discovery.
no code implementations • 4 Feb 2024 • Zhangyang Gao, Cheng Tan, Jue Wang, Yufei Huang, Lirong Wu, Stan Z. Li
Is there a foreign language describing protein sequences and structures simultaneously?
no code implementations • 12 Jan 2024 • Bozhen Hu, Zelin Zang, Jun Xia, Lirong Wu, Cheng Tan, Stan Z. Li
Representing graph data in a low-dimensional space for subsequent tasks is the purpose of attributed graph embedding.
1 code implementation • 31 Dec 2023 • Siyuan Li, Luyuan Zhang, Zedong Wang, Di wu, Lirong Wu, Zicheng Liu, Jun Xia, Cheng Tan, Yang Liu, Baigui Sun, Stan Z. Li
As the deep learning revolution marches on, self-supervised learning has garnered increasing attention in recent years thanks to its remarkable representation learning ability and the low dependence on labeled data.
no code implementations • 14 Oct 2023 • Yufei Huang, Siyuan Li, Jin Su, Lirong Wu, Odin Zhang, Haitao Lin, Jingqi Qi, Zihan Liu, Zhangyang Gao, Yuyang Liu, Jiangbin Zheng, Stan. ZQ. Li
To study this problem, we identify a Protein 3D Graph Structure Learning Problem for Robust Protein Property Prediction (PGSL-RP3), collect benchmark datasets, and present a protein Structure embedding Alignment Optimization framework (SAO) to mitigate the problem of structure embedding bias between the predicted and experimental protein structures.
no code implementations • 9 Oct 2023 • Cheng Tan, Jue Wang, Zhangyang Gao, Siyuan Li, Lirong Wu, Jun Xia, Stan Z. Li
In this paper, we re-examine the two dominant temporal modeling approaches within the realm of spatio-temporal predictive learning, offering a unified perspective.
2 code implementations • NeurIPS 2023 • Cheng Tan, Siyuan Li, Zhangyang Gao, Wenfei Guan, Zedong Wang, Zicheng Liu, Lirong Wu, Stan Z. Li
Spatio-temporal predictive learning is a learning paradigm that enables models to learn spatial and temporal patterns by predicting future frames from given past frames in an unsupervised manner.
1 code implementation • 9 Jun 2023 • Lirong Wu, Haitao Lin, Yufei Huang, Stan Z. Li
To bridge the gaps between topology-aware Graph Neural Networks (GNNs) and inference-efficient Multi-Layer Perceptron (MLPs), GLNN proposes to distill knowledge from a well-trained teacher GNN into a student MLP.
1 code implementation • NeurIPS 2023 • Haitao Lin, Yufei Huang, Odin Zhang, Lirong Wu, Siyuan Li, ZhiYuan Chen, Stan Z. Li
In this way, however, it is hard to generate realistic fragments with complicated structures.
1 code implementation • 18 May 2023 • Lirong Wu, Haitao Lin, Yufei Huang, Tianyu Fan, Stan Z. Li
Furthermore, we identified a potential information drowning problem for existing GNN-to-MLP distillation, i. e., the high-frequency knowledge of the pre-trained GNNs may be overwhelmed by the low-frequency knowledge during distillation; we have described in detail what it represents, how it arises, what impact it has, and how to deal with it.
1 code implementation • 21 Apr 2023 • Cheng Tan, Zhangyang Gao, Lirong Wu, Jun Xia, Jiangbin Zheng, Xihong Yang, Yue Liu, Bozhen Hu, Stan Z. Li
In this paper, we propose a \textit{simple yet effective} model that can co-design 1D sequences and 3D structures of CDRs in a one-shot manner.
1 code implementation • 29 Mar 2023 • Zihan Liu, Yun Luo, Lirong Wu, Zicheng Liu, Stan Z. Li
It has become cognitive inertia to employ cross-entropy loss function in classification related tasks.
no code implementations • 5 Feb 2023 • Yufei Huang, Lirong Wu, Haitao Lin, Jiangbin Zheng, Ge Wang, Stan Z. Li
Learning meaningful protein representation is important for a variety of biological downstream tasks such as structure-based drug design.
1 code implementation • 31 Dec 2022 • Lirong Wu, Yufei Huang, Haitao Lin, Stan Z. Li
To pave the way for AI researchers with little bioinformatics background, we present a timely and comprehensive review of PRL formulations and existing PRL methods from the perspective of model architectures, pretext tasks, and downstream applications.
no code implementations • 9 Dec 2022 • Haitao Lin, Lirong Wu, Yongjie Xu, Yufei Huang, Siyuan Li, Guojiang Zhao, Stan Z. Li
Solving partial differential equations is difficult.
1 code implementation • 7 Dec 2022 • Fang Wu, Lirong Wu, Dragomir Radev, Jinbo Xu, Stan Z. Li
Geometric deep learning has recently achieved great success in non-Euclidean domains, and learning on 3D structures of large biomolecules is emerging as a distinct research area.
1 code implementation • 2 Dec 2022 • Cheng Tan, Zhangyang Gao, Hanqun Cao, Xingran Chen, Ge Wang, Lirong Wu, Jun Xia, Jiangbin Zheng, Stan Z. Li
In this work, we reformulate the RNA secondary structure prediction as a K-Rook problem, thereby simplifying the prediction process into probabilistic matching within a finite solution space.
1 code implementation • 21 Nov 2022 • Haitao Lin, Yufei Huang, Odin Zhang, Siqi Ma, Meng Liu, Xuanjing Li, Lirong Wu, Jishui Wang, Tingjun Hou, Stan Z. Li
Previous works usually generate atoms in an auto-regressive way, where element types and 3D coordinates of atoms are generated one by one.
no code implementations • 5 Oct 2022 • Lirong Wu, Jun Xia, Haitao Lin, Zhangyang Gao, Zicheng Liu, Guojiang Zhao, Stan Z. Li
Despite their great academic success, Multi-Layer Perceptrons (MLPs) remain the primary workhorse for practical industrial applications.
no code implementations • 5 Oct 2022 • Lirong Wu, Yufei Huang, Haitao Lin, Zicheng Liu, Tianyu Fan, Stan Z. Li
Self-supervised learning on graphs has recently achieved remarkable success in graph representation learning.
1 code implementation • 7 Aug 2022 • Zihan Liu, Yun Luo, Lirong Wu, Siyuan Li, Zicheng Liu, Stan Z. Li
These errors arise from rough gradient usage due to the discreteness of the graph structure and from the unreliability in the meta-gradient on the graph structure.
1 code implementation • 3 Aug 2022 • Haitao Lin, Lirong Wu, Guojiang Zhao, Pai Liu, Stan Z. Li
While lots of previous works have focused on `goodness-of-fit' of TPP models by maximizing the likelihood, their predictive performance is unsatisfactory, which means the timestamps generated by models are far apart from true observations.
2 code implementations • CVPR 2023 • Cheng Tan, Zhangyang Gao, Lirong Wu, Yongjie Xu, Jun Xia, Siyuan Li, Stan Z. Li
Spatiotemporal predictive learning aims to generate future frames by learning from historical frames.
Ranked #12 on Video Prediction on Moving MNIST
no code implementations • 23 Jun 2022 • Zhangyang Gao, Cheng Tan, Lirong Wu, Stan Z. Li
Can we inject the pocket-ligand interaction knowledge into the pre-trained model and jointly learn their chemical space?
3 code implementations • CVPR 2022 • Zhangyang Gao, Cheng Tan, Lirong Wu, Stan Z. Li
From CNN, RNN, to ViT, we have witnessed remarkable advancements in video prediction, incorporating auxiliary inputs, elaborate neural architectures, and sophisticated training strategies.
Ranked #4 on Video Prediction on Human3.6M
1 code implementation • CVPR 2022 • Cheng Tan, Zhangyang Gao, Lirong Wu, Siyuan Li, Stan Z. Li
Though it benefits from taking advantage of both feature-dependent information from self-supervised learning and label-dependent information from supervised learning, this scheme remains suffering from bias of the classifier.
1 code implementation • 15 May 2022 • Fang Wu, Siyuan Li, Lirong Wu, Dragomir Radev, Stan Z. Li
Graph neural networks (GNNs) mainly rely on the message-passing paradigm to propagate node features and build interactions, and different graph learning tasks require different ranges of node interactions.
no code implementations • 18 Apr 2022 • Haitao Lin, Guojiang Zhao, Lirong Wu, Stan Z. Li
Graph-based spatio-temporal neural networks are effective to model the spatial dependency among discrete points sampled irregularly from unstructured grids, thanks to the great expressiveness of graph neural networks.
1 code implementation • NeurIPS 2023 • Zicheng Liu, Siyuan Li, Ge Wang, Cheng Tan, Lirong Wu, Stan Z. Li
However, we found that the extra optimizing step may be redundant because label-mismatched mixed samples are informative hard mixed samples for deep models to localize discriminative features.
no code implementations • 12 Feb 2022 • Zhangyang Gao, Cheng Tan, Lirong Wu, Stan Z. Li
Experimental results show that SemiRetro significantly outperforms both existing TB and TF methods.
Ranked #4 on Single-step retrosynthesis on USPTO-50k
1 code implementation • 7 Feb 2022 • Jun Xia, Lirong Wu, Jintao Chen, Bozhen Hu, Stan Z. Li
Furthermore, we devise adversarial training scheme, dubbed \textbf{AT-SimGRACE}, to enhance the robustness of graph contrastive learning and theoretically explain the reasons.
1 code implementation • 19 Oct 2021 • Haitao Lin, Cheng Tan, Lirong Wu, Zhangyang Gao, Stan. Z. Li
In this paper, we first review recent research emphasis and difficulties in modeling asynchronous event sequences with deep temporal point process, which can be concluded into four fields: encoding of history sequence, formulation of conditional intensity function, relational discovery of events and learning approaches for optimization.
1 code implementation • 5 Oct 2021 • Jun Xia, Lirong Wu, Ge Wang, Jintao Chen, Stan Z. Li
Contrastive Learning (CL) has emerged as a dominant technique for unsupervised representation learning which embeds augmented versions of the anchor close to each other (positive samples) and pushes the embeddings of other samples (negatives) apart.
3 code implementations • 4 Oct 2021 • Zhangyang Gao, Haitao Lin, Cheng Tan, Lirong Wu, Stan. Z Li
\textbf{A}ccuracy, \textbf{R}obustness to noises and scales, \textbf{I}nterpretability, \textbf{S}peed, and \textbf{E}asy to use (ARISE) are crucial requirements of a good clustering algorithm.
Ranked #1 on Clustering Algorithms Evaluation on Fashion-MNIST
no code implementations • 29 Sep 2021 • Lirong Wu, Stan Z. Li
Specifically, the GCL framework is optimized with three well-designed consistency constraints: neighborhood consistency, label consistency, and class-center consistency.
1 code implementation • 5 Aug 2021 • Cheng Tan, Jun Xia, Lirong Wu, Stan Z. Li
Noisy labels, resulting from mistakes in manual labeling or webly data collecting for supervised learning, can cause neural networks to overfit the misleading information and degrade the generalization performance.
no code implementations • 21 Jun 2021 • Lirong Wu, Haitao Lin, Zhangyang Gao, Cheng Tan, Stan. Z. Li
Recent years have witnessed great success in handling node classification tasks with Graph Neural Networks (GNNs).
1 code implementation • 16 May 2021 • Lirong Wu, Haitao Lin, Zhangyang Gao, Cheng Tan, Stan. Z. Li
In this survey, we extend the concept of SSL, which first emerged in the fields of computer vision and natural language processing, to present a timely and comprehensive review of existing SSL techniques for graph data.
2 code implementations • 24 Mar 2021 • Zicheng Liu, Siyuan Li, Di wu, Zihan Liu, ZhiYuan Chen, Lirong Wu, Stan Z. Li
Specifically, AutoMix reformulates the mixup classification into two sub-tasks (i. e., mixed sample generation and mixup classification) with corresponding sub-networks and solves them in a bi-level optimization framework.
Ranked #8 on Image Classification on Places205
1 code implementation • 4 Jan 2021 • Haitao Lin, Zhangyang Gao, Yongjie Xu, Lirong Wu, Ling Li, Stan. Z. Li
We further propose the distance and orientation scaling terms to reduce the impacts of irregular spatial distribution.
no code implementations • 1 Jan 2021 • Stan Z. Li, Zelin Zang, Lirong Wu
The ability to preserve local geometry of highly nonlinear manifolds in high dimensional spaces and properly unfold them into lower dimensional hyperplanes is the key to the success of manifold computing, nonlinear dimensionality reduction (NLDR) and visualization.
no code implementations • 1 Jan 2021 • Jun Xia, Haitao Lin, Yongjie Xu, Lirong Wu, Zhangyang Gao, Siyuan Li, Stan Z. Li
A pseudo label is computed from the neighboring labels for each node in the training set using LP; meta learning is utilized to learn a proper aggregation of the original and pseudo label as the final label.
no code implementations • 1 Dec 2020 • Stan Z. Li, Lirong Wu, Zelin Zang
In this paper, we propose a novel neural network-based method, called Consistent Representation Learning (CRL), to accomplish the three associated tasks end-to-end and improve the consistencies.
no code implementations • 28 Oct 2020 • Stan Z. Li, Zelin Zang, Lirong Wu
The LGP constraints constitute the loss for deep manifold learning and serve as geometric regularizers for NLDR network training.
1 code implementation • 7 Oct 2020 • Siyuan Li, Haitao Lin, Zelin Zang, Lirong Wu, Jun Xia, Stan Z. Li
Dimension reduction (DR) aims to learn low-dimensional representations of high-dimensional data with the preservation of essential information.
no code implementations • 28 Sep 2020 • Lirong Wu, Zicheng Liu, Zelin Zang, Jun Xia, Siyuan Li, Stan Z. Li
To overcome the problem that clusteringoriented losses may deteriorate the geometric structure of embeddings in the latent space, an isometric loss is proposed for preserving intra-manifold structure locally and a ranking loss for inter-manifold structure globally.
1 code implementation • 21 Sep 2020 • Lirong Wu, Zicheng Liu, Zelin Zang, Jun Xia, Siyuan Li, Stan Z. Li
Though manifold-based clustering has become a popular research topic, we observe that one important factor has been omitted by these works, namely that the defined clustering loss may corrupt the local and global structure of the latent space.
2 code implementations • 15 Jun 2020 • Stan Z. Li, Zelin Zang, Lirong Wu
We propose a novel framework, called Markov-Lipschitz deep learning (MLDL), to tackle geometric deterioration caused by collapse, twisting, or crossing in vector-based neural network transformations for manifold-based representation learning and manifold data generation.
no code implementations • 18 Jan 2020 • Lirong Wu, Kejie Huang, Haibin Shen
The method of importance map has been widely adopted in DNN-based lossy image compression to achieve bit allocation according to the importance of image contents.
no code implementations • 18 Jan 2020 • Lirong Wu, Kejie Huang, Haibin Shen, Lianli Gao
In this paper, we propose a video compression method that extracts and compresses the foreground and background of the video separately.