activity
20172025
most citedPrivacy-Preserving Tensor Factorization for Collaborative Health Data Analysis

40 citations · 72 across the 9 of their papers we have counts for

collaborators

10 papers

cs.LG2025

Node-level Contrastive Unlearning on Graph Neural Networks

Hong kyu Lee, Qiuchen Zhang, Carl Yang +1

Graph unlearning aims to remove a subset of graph entities (i.e. nodes and edges) from a graph neural network (GNN) trained on the graph. Unlike machine unlearning for models train…

cs.LG2024★ 1 cited

Contrastive Unlearning: A Contrastive Approach to Machine Unlearning

Hong kyu Lee, Qiuchen Zhang, Carl Yang +2

Machine unlearning aims to eliminate the influence of a subset of training samples (i.e., unlearning samples) from a trained model. Effectively and efficiently removing the unlearn…

cs.LG2022★ 1 cited

Private Semi-supervised Knowledge Transfer for Deep Learning from Noisy Labels

Qiuchen Zhang, Jing Ma, Jian Lou +2

Deep learning models trained on large-scale data have achieved encouraging performance in many real-world tasks. Meanwhile, publishing those models trained on sensitive datasets, s…

cs.LG2022★ 25 cited

DPAR: Decoupled Graph Neural Networks with Node-Level Differential Privacy

Qiuchen Zhang, Hong kyu Lee, Jing Ma +3

Graph Neural Networks (GNNs) have achieved great success in learning with graph-structured data. Privacy concerns have also been raised for the trained models which could expose th…

cs.LG2021

Communication Efficient Generalized Tensor Factorization for Decentralized Healthcare Networks

Jing Ma, Qiuchen Zhang, Jian Lou +3

Tensor factorization has been proved as an efficient unsupervised learning approach for health data analysis, especially for computational phenotyping, where the high-dimensional E…

cs.LG2021★ 4 cited

Temporal Network Embedding via Tensor Factorization

Jing Ma, Qiuchen Zhang, Jian Lou +2

Representation learning on static graph-structured data has shown a significant impact on many real-world applications. However, less attention has been paid to the evolving nature…

cs.LG2020

Spatio-Temporal Tensor Sketching via Adaptive Sampling

Jing Ma, Qiuchen Zhang, Joyce C. Ho +1

Mining massive spatio-temporal data can help a variety of real-world applications such as city capacity planning, event management, and social network analysis. The tensor represen…

cs.LG2019★ 40 cited

Privacy-Preserving Tensor Factorization for Collaborative Health Data Analysis

Jing Ma, Qiuchen Zhang, Jian Lou +3

Tensor factorization has been demonstrated as an efficient approach for computational phenotyping, where massive electronic health records (EHRs) are converted to concise and meani…

cs.DB2019★ 1 cited

Eclipse: Generalizing kNN and Skyline

Jinfei Liu, Li Xiong, Qiuchen Zhang +2

nearest neighbor (NN) queries and skyline queries are important operators on multi-dimensional data points. Given a query point, NN query returns the nearest neighbor…

cs.DB2017

Eclipse: Practicability Beyond kNN and Skyline

Jinfei Liu, Li Xiong, Qiuchen Zhang +2

The nearest neighbor (NN) query is a fundamental problem in databases. Given a set of multidimensional data points and a query point, NN returns the nearest neighbors…