Assessing the Potential of Digital Collaborative Plat-forms in Fostering Neighbourhood Participation through Volunteerism.- Social Network Sentiment Analysis and Message Clustering.- Migration Issues in Russian Twitter: Attitudes to Migrants, Social Problems and Online Resources.- Personal Illness Experience in Russian Social Media: Between Willingness to Share and Stigmatization.- An innovative online tool to self-evaluate and compare Participatory Research Projects.- Social Norm spreading in real and virtual environments: pro-social versus pro-self norm.- On Internet Resilience in Small Island States.- Science cafés and science shops for public engagement,- Use of information and communication technologies for obtaining public social services in Russia.- Reinforcement Learning for Data Preparation with Active Reward Learning.- Machine learning and algorithmic collusion.- The Online Bystander Effect: evidence from a study on synchronous Facebook communications.- Collective Intelligence and the Geopolitical Crossroads in Central-Eastern Europe. Review of the Selected Research Methods.- A Network Neutral alternative to Free Basics.- Intransitiveness in games and random walks.- A Self-Organized Criticality Method for the Study of Color Avoiding Percolation.- A Metric for the Fair Comparison of ISPs.- Network Presentation of Texts and Clustering of Messages.- Intrusion Detection and Avoidance for a Heterogeneous Cluster of Web Sites.- Improving User Experience by Browser Extensions: A New Role of Public Service Media?.- The International Register of Ideas and Innovations. A visionary social network to develop innovation and protect IP using blockchain and Proof-of-Originality Algorithm.- Towards a Trusted Virtual Smart Cities Operation Center using the Blockchain Mirror Model.- Monitoring an Environment using Wireless Sensor Network.- Life and Death of Data in Data Lakes: Preserving Data Usability and Responsible Governance.- Mapping Heterogeneous Textual Data: a Multidimensional Approach based on Spatiality and Theme.- Analysis of Herd Behavior in Stock Prices using Machine Learning.- Personalized Music Experience for the Wellbeing of Elderly People.- Cognitive and physiological response for health monitoring in an aging population: a multi-modal system.