主题词：Context-Aware Activity Recognition Systems; Indoor and Outdoor Localization Technologies; IoT and Edge/Fog Computing; Opportunistic and Delay-Tolerant Networks; Human Mobility and Location-Based Analysis; Energy Efficient Wireless Sensor Networks; Mobile Ad Hoc Networks; Caching and Content Delivery; Diverse Scientific and Economic Studies; Human auditory perception and evaluation; Educational Robotics and Engineering; Mobile Crowdsensing and Crowdsourcing; Privacy-Preserving Technologies in Data; Wireless Networks and Protocols; Green IT and Sustainability; Cryptography and Data Security; Data Management and Algorithms; User Authentication and Security Systems; Security in Wireless Sensor Networks; Vehicular Ad Hoc Networks (VANETs); Blockchain Technology Applications and Security; Cooperative Communication and Network Coding; Network Security and Intrusion Detection; Energy Harvesting in Wireless Networks; Advanced Malware Detection Techniques