Communication Technologies for Vehicles 4th International Workshop, Nets4Cars/Nets4Trains 2012, Vilnius, Lithuania, April 25-27, 2012, Proceedings

Road Track.-Cellular Networking Technologies in ITS Solutions: Opportunities and Challenges.-Effective and Efficient Security Policy Engines for Automotive On-Board Networks.-Security Solutions for Highly Dynamic Car2X Networks in the KOFAS Initiative.-ICDMS: An Intelligent Cloud Based Disaster Management System for Vehicular Networks.-Wireless Driver and Vehicle Surveillance System Based on IEEE 802.11 Networks.-Architecture of Car Measurement System for Driver Monitoring.-Toward Revocation Data Handling Efficiency in VANETs.-Cluster Based Data Aggregation in Vehicular Ad hoc Network.-Simulations of VANET Scenarios with OPNET and SUMO.-Human Participatory Sensing in Fixed Route Bus Information System.-Scheduling of Vehicles in Transportation Networks.-Rail Track.-Design and Prototype of a Train-to-Wayside Communication Architecture.-Conceptual Architectural Design of Indian Railway Intelligent Transportation Systems.-Automatic Alert Generation from Train to the People at Unmanned Level Crossings Using Principles of Iot.-MOFETA: A Network Architecture Based on Mobile Femtocells to Enhance Cellular Connectivity on TrAins.