Towards Understanding Cyberbullying Behavior in a Semi-Anonymous Social   Network
  Cyberbullying has emerged as an important and growing social problem, wherein people use online social networks and mobile phones to bully victims with offensive text, images, audio and video on a 247 basis. This paper studies negative user behavior in the Ask.fm social network, a popular new site that has led to many cases of cyberbullying, some leading to suicidal behavior.We examine the occurrence of negative words in Ask.fms question+answer profiles along with the social network of likes of questions+answers. We also examine properties of users with cutting behavior in this social network. 
Homa Hosseinmardi, Amir Ghasemianlangroodi, Richard Han, Qin Lv,   Shivakant Mishra
cs.SI physics.soc-ph