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Xingjie Liu
Researcher at Pennsylvania State University
Publications - 15
Citations - 985
Xingjie Liu is an academic researcher from Pennsylvania State University. The author has contributed to research in topics: Wireless sensor network & Social network. The author has an hindex of 11, co-authored 15 publications receiving 884 citations.
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Proceedings ArticleDOI
Event-based social networks: linking the online and offline social worlds
TL;DR: This paper is the first research to study EBSNs at scale and paves the way for future studies on this new type of social network.
Proceedings ArticleDOI
Exploring social influence for recommendation: a generative model approach
TL;DR: Experimental results show that social influence captured based on the proposed probabilistic generative model, called social influenced selection (SIS), is effective for enhancing both item recommendation and group recommendation, essential for viral marketing, and useful for various user analysis.
Proceedings ArticleDOI
Exploring personal impact for group recommendation
TL;DR: This paper analyzes the decision making process in a group to propose a personal impact topic (PIT) model for group recommendations, which effectively identifies the group preference profile for a given group by considering the personal preferences and personal impacts of group members.
Journal ArticleDOI
U-Skyline: A New Skyline Query for Uncertain Databases
TL;DR: A new uncertain skyline query, called U-Skyline query, that searches for a set of tuples that has the highest probability (aggregated from all possible scenarios) as the skyline answer, and proposes a number of optimization techniques for query processing.
Proceedings ArticleDOI
Distributed Graph Summarization
TL;DR: Experimental results show that the proposed algorithms can produce good quality summaries and scale well with increasing data sizes, and this is the first work to study distributed graph summarization methods.