1. Nakashima H, Fujii H, Suwa M (2013) Designing methodology for innovative service systems. In: Proceedings of the ICServ2013, pp 187–192
2. Ambrosino J, Nelson MR (eds) (2003) Demand responsive transport servicest Towards the flexible mobility agency. Italian National Agency for New Technologies, Energy and the Environment, ISBN 88-8286-043-4
3. Hiekata K, Yamato H, Tsubouchi K (2008) A demand responsive transit service with emphasizing on better punctuality. The 5th international workshop on intelligent transportation, pp 93–98
4. Noda I, Ohta M, Kumada Y, Shinoda K, Nakashima H (2005) Usability of dial-a-ride systems. In: Proceedings of the AAMAS 2005, pp 1281–1282
5. Vargo SL, Maglio PP, Akaka MA (2008) On value and value co-creation: a service systems and service logic perspective. Eur Manag J 26:145–152