41 citations · 189 across the 39 of their papers we have counts for
4 papers · 1 filter
Locating Contagion Sources in Networks with Partial Timestamps
Kai Zhu, Zhen Chen, Lei Ying
This paper studies the problem of identifying the contagion source when partial timestamps of a contagion process are available. We formulate the source localization problem as a r…
Collaborative Filtering with Information-Rich and Information-Sparse Entities
Kai Zhu, Rui Wu, Lei Ying +1
In this paper, we consider a popular model for collaborative filtering in recommender systems where some users of a website rate some items, such as movies, and the goal is to reco…
On the Relation Between Identifiability, Differential Privacy and Mutual-Information Privacy
Weina Wang, Lei Ying, Junshan Zhang
This paper investigates the relation between three different notions of privacy: identifiability, differential privacy and mutual-information privacy. Under a unified privacy-disto…
A Minimax Distortion View of Differentially Private Query Release
Weina Wang, Lei Ying, Junshan Zhang
We consider the problem of differentially private query release through a synthetic database approach. Departing from the existing approaches that require the query set to be speci…