1. 1) M. Hermann, et al., "Design Principles for Industrie 4.0 Scenarios," Working Draft, Rechnische Universitat Dortmund, (2015)
2. 2) Y. Yamato, et al., "Predictive Maintenance Platform with Sound Stream Analysis in Edges," Journal of Information Processing, 25, (2017)
3. 3) P. C. Evans, et al., "Industrial Internet: Pushing the Boundaries of Minds and Machines," Technical report of GE, (2012)
4. 4) AWS IoT Platform website, https://aws.amazon.com/iot/how-it-works/?nc1=h_ls
5. 5) Tron project web site, http://www.tron.org/