activity
20142022
most citedConsensus Knowledge Graph Learning via Multi-view Sparse Low Rank Block Model

1 citations · 1 across the 5 of their papers we have counts for

collaborators

5 papers

stat.ML2022★ 1 cited

Consensus Knowledge Graph Learning via Multi-view Sparse Low Rank Block Model

Tianxi Cai, Dong Xia, Luwan Zhang +1

Network analysis has been a powerful tool to unveil relationships and interactions among a large number of objects. Yet its effectiveness in accurately identifying important node-n…

cs.LG2018

Dantzig Selector with an Approximately Optimal Denoising Matrix and its Application to Reinforcement Learning

Bo Liu, Luwan Zhang, Ji Liu

Dantzig Selector (DS) is widely used in compressed sensing and sparse learning for feature selection and sparse signal recovery. Since the DS formulation is essentially a linear pr…

stat.ML2018

Unsupervised Ensemble Learning via Ising Model Approximation with Application to Phenotyping Prediction

Luwan Zhang, Tianrun Cai

Unsupervised ensemble learning has long been an interesting yet challenging problem that comes to prominence in recent years with the increasing demand of crowdsourcing in various…

stat.ME2018

Multi-view Banded Spectral Clustering with Application to ICD9 Clustering

Luwan Zhang, Katherine Liao, Issac Kohane +1

Despite recent development in methodology, community detection remains a challenging problem. Existing literature largely focuses on the standard setting where a network is learned…

stat.ML2014

Distance Shrinkage and Euclidean Embedding via Regularized Kernel Estimation

Luwan Zhang, Grace Wahba, Ming Yuan

Although recovering an Euclidean distance matrix from noisy observations is a common problem in practice, how well this could be done remains largely unknown. To fill in this void,…