Extracting Knowledge from Stream Behavioural Patterns Topics: Big Data Algorithm, Methodology, Business Models and Challenges; Context-awareness and Location-awareness ; Data Analysis and Visualization for Smart City, Green Systems and Transport Systems; Data and Knowledge Management ; Data Management for Large Data; Data Processing ; Future of IoT and Big Data; Intelligent Systems for IoT and Services Computing ; Internet of Things; Large-scale Information Systems and Applications; Machine to Machine Communications ; Modeling, Experiments, Sharing Technologies & Platforms; Performance Evaluation and Modeling ; Software Architecture and Middleware In Proceedings of the 2nd International Conference on Internet of Things, Big Data and Security IoTBDS - Volume 1, 419-423, 2017 , Porto, Portugal