N. V. M. . Kumar, D. N. . Raju, G. . PV, and P. Subhashini, “Real-Time User-Service Centric Historical Trust Model Based Access Restriction in Collaborative Systems with Blockchain Public Auditing in Cloud”, Int J Intell Syst Appl Eng, vol. 11, no. 2s, pp. 69–75, Jan. 2023.