R.M.Rani , Dr.M.Pushpalatha. “Detecting Change in Activity or Identifying Failure Sensors in IOT Using Frequent Count Activity Matrix (FCAM) Algorithm”. International Journal of Advanced Science and Technology 29, no. 06 (May 1, 2020): 4804 - 4813. Accessed May 1, 2024. http://sersc.org/journals/index.php/IJAST/article/view/19403.