Mourn for Professor YU Shen

Description of Amy Shen

Yu - Xiang

My research interests lie in the intersection of machine learning (ML), statistics and optimization. Specifically, my work focuses on developing provable and practical methods for various challenging learning regimes (e.g., high dimensional, heterogeneous, privacy-constrained, sequential, parallel and distributed) and often involves exploiting hidden structures in data (generalized sparsity, un...

Pharmacists mourn passing of University of Utah's Arthur Lipman, 72.

A rthur George Lipman, longtime director of clinical pharmacology at the University of Utah’s Pain Management Center, died of myelofibrosis on April 23 at the age of 72. Lipman was a respected clinician and a widely published author and speaker on the subject of pain management. He served as editor of several academic publications, including the Journal of Pain & Palliative Care Pharmacotherapy...

Shen Substring - Searchable Symmetric Encryption

In this paper, we consider a setting where a client wants to outsource storage of a large amount of private data and then perform substring search queries on the data – given a data string s and a search string p, find all occurrences of p as a substring of s. First, we formalize an encryption paradigm that we call queryable encryption, which generalizes searchable symmetric encryption (SSE) an...

Algorithms for Matrix Completion by Yu Xin

We consider collaborative filtering methods for matrix completion. A typical approach is to find a low rank matrix that matches the observed ratings. However, the corresponding problem has local optima. In this thesis, we study two approaches to remedy this issue: reference vector method and trace norm regularization. The reference vector method explicitly constructs user and item features base...