1. Liu, Y.: Introduction of Internet of Things, pp. 9–10. Science Press, BeiJing (2010)
2. Sun, Q.B., Liu, J., Li, S.: Internet of Things: Summarize on Concepts, Architecture and Key Technology Problem. Journal of Beijing University of Posts and Telecommunications, 1–9 (2010)
3. Ibrahim, N.: Orthogonal Classification of Middleware Technologies. In: Third International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies, pp. 46–51. IEEE Press, Piscataway (2009)
4. Chen, L.: Researches on SOA-based Middleware in Internet of Things, Chang Sha, pp. 12–15 (2012)
5. Hirschheim, R., Welke, R., Schwarz, A.: Service-Oriented Architecture: Myths, Realities and a Maturity Model, pp. 37–48 (2010)