Search Results for author: Xuecang Zhang

Found 8 papers, 1 papers with code

Sculpting Molecules in 3D: A Flexible Substructure Aware Framework for Text-Oriented Molecular Optimization

no code implementations6 Mar 2024 Kaiwei Zhang, Yange Lin, Guangcheng Wu, Yuxiang Ren, Xuecang Zhang, Bo wang, XiaoYu Zhang, Weitao Du

This work not only holds general significance for the advancement of deep learning methodologies but also paves the way for a transformative shift in molecular design strategies.

A quatum inspired neural network for geometric modeling

no code implementations3 Jan 2024 Weitao Du, Shengchao Liu, Xuecang Zhang

By conceiving physical systems as 3D many-body point clouds, geometric graph neural networks (GNNs), such as SE(3)/E(3) equivalent GNNs, have showcased promising performance.

Tensor Networks

Molecule Joint Auto-Encoding: Trajectory Pretraining with 2D and 3D Diffusion

no code implementations NeurIPS 2023 Weitao Du, Jiujiu Chen, Xuecang Zhang, ZhiMing Ma, Shengchao Liu

The fundamental building block for drug discovery is molecule geometry and thus, the molecule's geometrical representation is the main bottleneck to better utilize machine learning techniques for drug discovery.

Drug Discovery

NeutronStream: A Dynamic GNN Training Framework with Sliding Window for Graph Streams

no code implementations5 Dec 2023 Chaoyi Chen, Dechao Gao, Yanfeng Zhang, Qiange Wang, Zhenbo Fu, Xuecang Zhang, Junhua Zhu, Yu Gu, Ge Yu

Though many dynamic GNN models have emerged to learn from evolving graphs, the training process of these dynamic GNNs is dramatically different from traditional GNNs in that it captures both the spatial and temporal dependencies of graph updates.

Large Language Models as Topological Structure Enhancers for Text-Attributed Graphs

no code implementations24 Nov 2023 Shengyin Sun, Yuxiang Ren, Chen Ma, Xuecang Zhang

The latest advancements in large language models (LLMs) have revolutionized the field of natural language processing (NLP).

Graph Learning Information Retrieval +6

Empower Text-Attributed Graphs Learning with Large Language Models (LLMs)

no code implementations15 Oct 2023 Jianxiang Yu, Yuxiang Ren, Chenghua Gong, Jiaqi Tan, Xiang Li, Xuecang Zhang

In order to tackle this challenge, we propose a lightweight paradigm called ENG, which adopts a plug-and-play approach to empower text-attributed graphs through node generation using LLMs.

Few-Shot Learning Graph Learning +3

DiskANN++: Efficient Page-based Search over Isomorphic Mapped Graph Index using Query-sensitivity Entry Vertex

no code implementations30 Sep 2023 Jiongkang Ni, Xiaoliang Xu, Yuxiang Wang, Can Li, Jiajie Yao, Shihai Xiao, Xuecang Zhang

The main drawback of graph-based ANNS is that a graph index would be too large to fit into the memory especially for a large-scale $\mathcal{X}$.

Quantization

CGCL: Collaborative Graph Contrastive Learning without Handcrafted Graph Data Augmentations

1 code implementation5 Nov 2021 Tianyu Zhang, Yuxiang Ren, Wenzheng Feng, Weitao Du, Xuecang Zhang

In this paper, we show the potential hazards of inappropriate augmentations and then propose a novel Collaborative Graph Contrastive Learning framework (CGCL).

Contrastive Learning Data Augmentation +2

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