JULY VOLUME 4 – ISSUE 2 (JULY 2018) Privacy-Preserving Multi-Keyword Top-K Similarity Search through Encrypted Data in Cloud Computing Atthar Mabjan, Reddi Durga Sree & Karamala Suresh Confidential Security based Access Control Scheme in CBS (Cloud-based Services) Shaik Nageena, Mr.Kotari Suresh & Karamala Suresh Low-Price Cloud Storage Service and Protection across Multiple Cloud Providers S.Thabassum Khan, Reddi Durga Sree & Karamala Suresh Preserving Privacy and Functionality in Geo-Social Networks using Location Centric Profiles (LCPs) Suresh Kumar Meesala Scalable Encryption Algorithm Design & Implementation using Flow Chart Approach M.Bhagavanth Secure and Efficient Data Retrieval Mechanism Using CP-ABE for Decentralized DTNs P Kiran Kumar