G Pavan Kumar, Korathala Sreekanth Reddy, Chittem Raviteja, and Shaik Mohammed Arif. 2014. “PABKE: Provable Attribute-Based Keyword Explore over Outsourced Encrypted Data”. International Journal of Computer Engineering in Research Trends 1 (5):271-76. https://www.ijcert.org/index.php/ijcert/article/view/83.