“…, , , … is a specific eigenvector, C is a certain category. In term of LTC and nursing studies, Jheng-JheSie et al (Sie et al, 2016) propose a system platform that integrates the Internet of Things (IoT), cloud, sensing network and community for use in elderly care. Through the use of real-time video surveillance, the system platform realizes activity monitoring, log, electronic nursing, and indoor positioning, so as to improve the life convenience for the elderly.…”