1. Smart Spaces: a Review 2. An Exploration of Theory for Smart Spaces in Everyday Life: Enriching Ambient Theory for Smart Cities 3. Data Fusion and Homogenization: Two key aspects for building Digital Twins of Smart Spaces 4. Secured Digital-Twin Data Service for the Internet of Smart Things 5. Creating environmentally conscious products and environments with smart materials 6. IoT Interoperability Enhances Smart and Healthy Living 7. The ecosystem of smart spaces 8. Exploring the role of IoT for Sustainable Enhancement in Smart Spaces 9. Machine Learning Frameworks in IoT Systems: A Survey, Case Study, and Future Research Directions 10. Augmented Reality Content And Relations Of Power In Smart Spaces 11. Ensuring a harmonious state of smart space in the presence of conflicting interests of its elements 12. Assessment and monitoring of human emotional state and behavour in a smart space environment 13. Digital Twins for Smart City 14. From smart city to smart urban spaces. Prerequisites for the formation of smart urban spaces based on the participation of residents in the largest cities of Russia 15. Smart and Sustainable Solutions for Thriving Tourism Destinations 16. Design of a Smart Parking-Space Allocation System for Greater Energy Efficiency 17. Smart cities as spaces of flows and the digital turn in architecture and urban planning: Big Data vis-à-vis environmental and social equity 18. Generative Adversarial Network (GAN) Assisted Smart IoT Data Service for Disaster Damage Assessment 19. Design and Development of Enhanced Algorithm for the Demarcation of Ocean Wakes from SAR Imagery of Rough Sea Condition 20. A way to ensure information security of smart spaces