Search Results for author: Xiaolong Xu

Found 13 papers, 5 papers with code

Privacy-preserving design of graph neural networks with applications to vertical federated learning

no code implementations31 Oct 2023 Ruofan Wu, Mingyang Zhang, Lingjuan Lyu, Xiaolong Xu, Xiuquan Hao, Xinyi Fu, Tengfei Liu, Tianyi Zhang, Weiqiang Wang

The paradigm of vertical federated learning (VFL), where institutions collaboratively train machine learning models via combining each other's local feature or label information, has achieved great success in applications to financial risk management (FRM).

Graph Representation Learning Management +2

OptIForest: Optimal Isolation Forest for Anomaly Detection

1 code implementation22 Jun 2023 Haolong Xiang, Xuyun Zhang, Hongsheng Hu, Lianyong Qi, Wanchun Dou, Mark Dras, Amin Beheshti, Xiaolong Xu

Extensive experiments on a series of benchmarking datasets for comparative and ablation studies demonstrate that our approach can efficiently and robustly achieve better detection performance in general than the state-of-the-arts including the deep learning based methods.

Anomaly Detection Benchmarking +1

Huatuo-26M, a Large-scale Chinese Medical QA Dataset

1 code implementation2 May 2023 Jianquan Li, Xidong Wang, Xiangbo Wu, Zhiyi Zhang, Xiaolong Xu, Jie Fu, Prayag Tiwari, Xiang Wan, Benyou Wang

Moreover, we also experimentally show the benefit of the proposed dataset in many aspects: (i) trained models for other QA datasets in a zero-shot fashion; and (ii) as external knowledge for retrieval-augmented generation (RAG); and (iii) improving existing pre-trained language models by using the QA pairs as a pre-training corpus in continued training manner.

Language Modelling Question Answering +1

Deep Vision in Analysis and Recognition of Radar Data: Achievements, Advancements and Challenges

no code implementations20 Feb 2023 Qi Liu, ZhiYun Yang, Ru Ji, Yonghong Zhang, Muhammad Bilal, Xiaodong Liu, S Vimal, Xiaolong Xu

Radars are widely used to obtain echo information for effective prediction, such as precipitation nowcasting.

SplitGNN: Splitting GNN for Node Classification with Heterogeneous Attention

no code implementations27 Jan 2023 Xiaolong Xu, Lingjuan Lyu, Yihong Dong, Yicheng Lu, Weiqiang Wang, Hong Jin

With the frequent happening of privacy leakage and the enactment of privacy laws across different countries, data owners are reluctant to directly share their raw data and labels with any other party.

Classification Federated Learning +1

Differentially Private Learning with Per-Sample Adaptive Clipping

no code implementations1 Dec 2022 Tianyu Xia, Shuheng Shen, Su Yao, Xinyi Fu, Ke Xu, Xiaolong Xu, Xing Fu

As one way to implement privacy-preserving AI, differentially private learning is a framework that enables AI models to use differential privacy (DP).

Privacy Preserving

Inductive Matrix Completion Using Graph Autoencoder

2 code implementations25 Aug 2021 Wei Shen, Chuheng Zhang, Yun Tian, Liang Zeng, Xiaonan He, Wanchun Dou, Xiaolong Xu

However, without node content (i. e., side information) for training, the user (or item) specific representation can not be learned in the inductive setting, that is, a model trained on one group of users (or items) cannot adapt to new users (or items).

Matrix Completion Recommendation Systems

A Vertical Federated Learning Framework for Graph Convolutional Network

no code implementations22 Jun 2021 Xiang Ni, Xiaolong Xu, Lingjuan Lyu, Changhua Meng, Weiqiang Wang

Recently, Graph Neural Network (GNN) has achieved remarkable success in various real-world problems on graph data.

Node Classification Privacy Preserving +1

Odd-even layer-number effect and layer-dependent magnetic phase diagrams in MnBi2Te4

1 code implementation12 Jun 2020 Shiqi Yang, Xiaolong Xu, Yaozheng Zhu, Ruirui Niu, Chunqiang Xu, Yuxuan Peng, Xing Cheng, Xionghui Jia, Xiaofeng Xu, Jianming Lu, Yu Ye

However, the layer-dependent magnetism of MnBi2Te4, which is fundamental and crucial for further exploration of quantum phenomena in this system, remains elusive.

Materials Science

A New Local Transformation Module for Few-shot Segmentation

no code implementations14 Oct 2019 Yuwei Yang, Fanman Meng, Hongliang Li, Qingbo Wu, Xiaolong Xu, Shuai Chen

The result by the matrix transformation can be regarded as an attention map with high-level semantic cues, based on which a transformation module can be built simply. The proposed transformation module is a general module that can be used to replace the transformation module in the existing few-shot segmentation frameworks.

Few-Shot Semantic Segmentation Segmentation

Cannot find the paper you are looking for? You can Submit a new open access paper.