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.