1. H. Schaffers et al., Smart cities and the future internet: towards cooperation frameworks for open innovation, in The Future Internet, Lect. Notes Comput. Sci., vol. 6656 (2011), pp. 431–446
2. S. Chen et al., A vision of IoT: applications, challenges, and opportunities with China perspective. IEEE Internet Things J. 1(4), 349–359 (2014)
3. O. Vermesan, P. Friess, Internet of Things strategic research and innovation agenda, in Internet of Things—Converging Technologies for Smart Environments and Integrated Ecosystems, (River Publishers, Denmark, 2013)
4. L. Atzori et al., The Internet of Things: a survey. Comput. Netw. 54(15), 2787–2805 (2010)
5. A. Zanella et al., Internet of Things for smart cities. IEEE Internet Things J. 1(1), 22–32 (2014)