Ontological knowledge-base for railway control system and analytical data platform for Twitter

The scope of this thesis is Railway signaling and Social Media Analysis. In particular, with regard to the first theme, it has been conducted an investigation into the domain of railway signaling, it has been defined the objectives of the research or the development and verification of an ontological model for the management of railway signaling and finally having discussed results and inefficiencies. As far as for SMA it have been studied and discussed the state of the art of SMA tools including Twitter Vigilance developed within the DISIT laboratory at the University of Florence. It has been proposed a distributed architecture porting analysis, where it have been also highlighted the problems associated with migrating single host applications to distributed architectures and possible mitigation.