An Extended Hybrid Anomaly Detection System for Automotive Electronic Control Units Communicating via Ethernet - Efficient and Effective Analysis using a Specification- and Machine Learning-based Approach Topics: Autonomous Vehicles and Automated Driving; Big Data and Vehicle Analytics; Security and Safety; Traffic and Vehicle Data Collection and Processing In Proceedings of the 4th International Conference on Vehicle Technology and Intelligent Transport Systems VEHITS - Volume 1, 462-473, 2018 , Funchal, Madeira, Portugal