9 citations · 33 across the 8 of their papers we have counts for
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cs.SI2014★ 6 cited
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…
stat.ML2014
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…