Data Science -- Assembling Fragments of Ancient Papyrus via Artificial Intelligence -- Social Media Analysis and Mining -- Misinformation and disinformation on Social Media: an updated survey of challenges and current trends -- Topic Detection and Tracking in Social Media Platforms -- Fake News on Social Media: current research and future directions -- Incivility balanced? Civil vs. uncivil speech in online political discussions as dependent on political parallelism -- Data and Network Security -- Federated Learning for the Efficient Detection of Steganographic Threats Hidden in Image Icons -- Machine Learning and Network Traffic to Distinguish Between Malware and Benign Applications -- Emerging Applications -- A Comparative Study on the Coulomb's and Franklin's Laws Inspired Algorithm (CFA) with Modern Evolutionary Algorithms for Numerical Optimization -- A Comparative Study on the Coulomb's and Franklin's Laws Inspired Algorithm (CFA) with Modern Evolutionary Algorithms for Numerical Optimization.