Media type: E-Article Title: Emerging opinion leaders in crowd unfollow crisis: a case study of mobile brands in Twitter Contributor: Tang, Liyang; Ni, Zhiwei Published: Springer Science and Business Media LLC, 2016 Published in: Pattern Analysis and Applications, 19 (2016) 3, Seite 731-743 Language: English DOI: 10.1007/s10044-014-0445-z ISSN: 1433-7541; 1433-755X Keywords: Artificial Intelligence ; Computer Vision and Pattern Recognition Origination: Footnote: