“…Like in many different areas, scientists struggle to predict the future of online social network. The main focus in social network area is on link prediction [16] but different teams around the world work also on: (i) popularity prediction in social media based on comment mining [12], (ii) personality prediction for micro blog Users [29], (iii) churn prediction and its influence on the network [4,22], (iv) community evolution prediction [7,23], (v) using social media to predict real-world outcomes [3], (vi) predicting information cascade on social media [11], (vii) users features prediction using relational learning [14,15], (viii) predicting patterns of diffusion processes in social network [13], (ix) predicting friendship intensity [2,20], (x) affiliation recommendations [25,26], and many others.…”