Qunyan Zhang

Learn More
As an important kind of social media, microblog has become an important source of opinion mining and collective behavior study. However, social spams may affect the analytical results greatly. This paper focuses on the problem of identifying potential social spammers who copy pieces of information from others. An improved locality-sensitive hashing based(More)
With the rapid development of application of LBS (Location Based Service) model, "checkin" has become a hot word. Since the geographic position is combined with local business resources, users can interact with shops through mobile. This Mobile SNS conceals a great deal of valuable information, including users' consumption tendency, merchants' marketing(More)
Micro-blogging service Sina Weibo in China has become the country's most free-flowing and important source of news and opinions just a few years ago. Following its launch in the summer of 2009, Sina Weibo grew quickly, attracting hundreds of millions of users and saw its biggest boom around 2011. However, several reports indicate a decrease in activity on(More)
  • 1