Natural Language Processing and AI Explainability -- Exploring Natural Language Processing Methods for Interactive Behaviour Modelling -- "Garbage In, Garbage Out": Mitigating Human Biases in Data Entry by Means of Artificial Intelligence -- Is Overreliance on AI Provoked by Study Design? -- RePaLM: A Data-driven AI Assistant for Making Stronger Pattern Choices -- Online Collaboration and Cooperative work -- A Systematic Literature Review of Online Collaborative Story Writing -- Algorithmic Management for Community Health Worker in Sub-Saharan Africa: Curse or Blessing? -- Explorative Study of Perceived Social Loafing in VR Group Discussion: A Comparison between The Poster Presentation Environment and The Typical Conference Environment -- Recommendation Systems and AI Explainability -- Blending Conversational Product Advisors and Faceted Filtering in a Graph-Based Approach -- Everyday-Inspired Movies: Towards the Design of Movie Recommender Systems based on Everyday Life through Personal Social Media -- Towards a practice-led research agenda for user interface design of recommender systems -- WeHeart: A Personalized Recommendation Device for Physical Activity Encouragement and Preventing "Cold Start" in Cardiac Rehabilitation -- Social AI -- "A solution to a problem that didn't exist?": Exploring Attitudes Towards Smart Streetlight Systems -- AI in the Human Loop: The Impact of Differences in Digital Assistant Roles on the Personal Values of Users -- Evaluation of the Roles of Intelligent Technologies in Shared Activity Spaces of Neighborhood Communities -- Problematizing "Empowerment" in HCAI -- Social and Ubiquitous Computing I -- "Draw Fast, Guess Slow": Characterizing Interactions in Cooperative Partially Observable Settings with Online Pictionary as a Case Study -- Experience by Cohabitation: Living in a Smart Home Initiated by Your Partner -- Towards aSocio-technical Understanding of Police-citizen Interactions -- Social and Ubiquitous Computing II -- A Survey of Computer-Supported Remote Collaboration on Physical Objects -- Collaborative TV Control: Towards Co-Experience and Social Connectedness -- Introducing Sharemote: A Tangible Interface for Collaborative TV Control -- Social Media and Digital Learning -- A Mixed-Methods Analysis of Women's Health Misinformation on Social Media -- Evaluating the Effects of Culture and Relationship Strength on Misinformation Challenging Behaviours Within the UK -- Exploring Indigenous Knowledge through Virtual Reality: A Co-Design Approach with the Penan Community of Long Lamai -- Factors influencing social media forgiveness behavior and cyber violence tendency among Chinese youth: Moderating ef-fects of forgiveness climate and risk perception -- Gender & Racism: Considerations for Digital Learning Among Young Refugees and Asylum Seekers -- Understanding Users and Privacy Issues -- Concerns of Saudi higher education students about security and privacy of online digital technologies during the coronavirus pandemic -- Exploring the Experiences of People who Inherited Digital Assets from Deceased Users: a Search for Better Computing Solutions -- "Hello, Fellow Villager!": Perceptions and Impact of Displaying Users' Locations on Weibo -- Intimate Data: Exploring Perceptions of Privacy and Privacy-Seeking Behaviors through the Story Completion Method -- User movement and 3D Environments -- Eyes on teleporting: comparing locomotion techniques in Virtual Reality with respect to presence, sickness and spatial orientation -- Sample-based Human Movement Detection for Interactive Videos Applied to Performing Arts -- Skillab - A Multimodal Augmented Reality Environment for Learning Manual Tasks -- User Self-Report -- A Longitudinal Analysis of Real-World Self-Report Data -- Awareness, Control and Impact in Digital Wellbeing - Results from Explorative Self-Experiments -- Eliciting Meaningful Collaboration Metrics: Design Implications for Self-Tracking Technologies at Work -- Perception versus Reality: How User Self-Reflections Compare to Actual Data.