1. Papazoglou, M.P.: Service-oriented computing: Concepts, characteristics and directions. In: Proceedings of the Fourth International Conference on Web Information Systems Engineering, WISE, pp. 3–12 (2003)
2. Bullinger, H.-J., Neuhuttler, J., Nagele, R., Woyke, I.: Collaborative Development of Business Models in Smart Service Ecosystems. (2017), pp. 1–9
3. Urbieta, A., González-Beltrán, A., Ben Mokhtar, S., Anwar Hossain, M., Capra, L.: Adaptive and context-aware service composition for IoT-based smart cities. Future Gener. Comput. Syst., 76, 262–274 (2017)
4. Vilajosana, I., Llosa, J., Martinez, B., Domingo-Prieto, M., Angles, A., Vilajosana, X.: Bootstrapping smart cities through a self-sustainable model based on big data flows. IEEE Commun. Mag., 51(6), 128–134 (2013)
5. Khan, Z., Kiani, S.L., Soomro, K.: A framework for cloud-based context-aware information services for citizens in smart cities. J. Cloud Comput., 3(1) (2014)