Revathy, S., and Dr. Arunkumar Thangavel. “An Enhanced Privacy Preserving Approach With Enforcing Policies for Processing Big Data in Spark Framework”. International Journal of Engineering and Technology 7, no. 4 (August 25, 2018): 7086–7093. Accessed February 9, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/15613.