Study of Vespa (vehicular Event Sharing with a Mobile P2p Architecture) on Data Exchange

Vehicular ad-hoc Networks is to share the information between the vehicles through Vehicular Event Sharing with a mobile P2P Architecture (VESPA). The VESPA is used to distribute any type of event like parking spaces, accidents, emergency braking, etc and evaluating their relevance once received in order to determine, for instance, whether the driver should be warned or not. This paper deals with the knowledge extraction in VESPA that it focuses on how to exploit data exchanged among vehicles. Existing systems only use exchanged data to produce warnings for drivers when needed. Then, data is considered outmoded and deleted. Our objective is to produce additional knowledge to be used by drivers when no relevant data has been communicated by neighboring vehicles. For example, by aggregating events it is possible to dynamically detect potentially dangerous road segments or to determine the areas where the probability to find an available parking space is high.