Cloud An IoT-aware AAL System to Capture Behavioral Changes of Elderly People/Open Call Articles An IoT-aware Architecture to improve Safety in Sports Environments/Open Call Articles Performance Evaluation in Single or Multi-Cluster C-RAN Supporting Quasi-Random Traffic/Open Call Articles A Cloud Architecture for Managing IoT-aware Applications According to Knowledge Processing Rules/Open Call Articles An Innovative Face Emotion Recognition-based Platform by using a Mobile Device as a Virtual Tour/Special Issue on Smart Cities: Multidisciplinary Approach