Al Hafiz Khan, M. A., H. M. Sajjad Hossain, and N. Roy. “Infrastructure-Less Occupancy Detection and Semantic Localization in Smart Environments”. EAI Endorsed Transactions on Context-Aware Systems and Applications, vol. 2, no. 5, Aug. 2015, p. e3, doi:10.4108/eai.22-7-2015.2260062.