Magdalena Payeras-Capellà, Macià Mut Puigserver, Josep Lluís Ferrer-Gomila, Jordi Castellà-Roca, Arnau Vives-Guasch. Electronic Ticketing: Requirements and Proposals Related to Transport. In Guillermo Navarro-Arribas, Vicenç Torra, editors, Advanced Research in Data Privacy. Volume 567 of Studies in Computational Intelligence, pages 285-301, Springer, 2015. [doi]
Abstract is missing.