Guozhen Zhang

schoolTsinghua Universitybar_chart#9306 Global Rank

Total Papers

HCI Rank

#9306

Research Areas

Years Active

Recent Publications

Bringing Friends into the Loop of Recommender Systems: An Exploratory Study

The recommender system (RS), as a computer-supported information filtering system, is ubiquitous and influences what we eat, watch, or even like. In online RS, interactions between users and the system form a feedback loop: users take actions based on the recommendations provided by RS, and RS updates its recommendati…

CSCW '182nd AuthorUrban Spaces

Understanding Motivations behind Inaccurate Check-ins

Check-in data from social networks provide researchers a unique opportunity to model human dynamics at scale. However, it is unclear how indicative these check-in traces are of real human mobility. Prior work showed that a significant portion of Foursquare check-ins did not match with the physical mobility patterns of…

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