Your Privacy, My Privacy? On Leakage Risk Assessment in Online Social Networks -- From Self-Data to Self-Preferences: Towards Preference Elicitation in Personal Information Management Systems -- Assessing Privacy Risk in Retail Data.-  Differential Privacy and Neural Networks -- Co-clustering for Differentially Private Synthetic Data Generation -- Evaluating the Impact of Friends in Predicting User's Availability in Online Social Networks --  Movement Behaviour Recognition for Water Activities -- Automatic Recognition of Public Transport Trips from Mobile Device Sensor Data and Transport Infrastructure Information --  Guess the Movie - Linking Facebook Pages to IMDb Movies -- Research on Online Digital Cultures - Community Extraction and Analysis by Markov and k-Means Clustering -- Churn Prediction Using Dynamic RFM-Augmented Node2vec -- Multi-scale Community Detection in Temporal Networks Using Spectral Graph Wavelets -- Influence Maximization-based Event Organization on Social Networks.