Title	Analysis of Cloud Security Vulnerabilities and Countermeasures
Author	Hyun-Min Son, Nak-Keun Joo, Hyun-Taek Choi, Hyun-Cheol Lee
Citation	Vol. 19  No. 2  pp. 200-206
Keywords	Attack, Cloud Compyting, Security, Threats, Vulnerability.

Title	Bartering Method for Improving Privacy of LBS
Author	Abdullah M Basahel, Adnan Ahmed Abi Sen, Mohammad Yamin, Sarah Alqahtani
Citation	Vol. 19  No. 2  pp. 207-213
Keywords	Privacy, Security, LBS, POI, Bartering

Title	Image Compression using Windowing Firefly Algorithm by Renyi 2-d Histogram based on Multilevel Thresholding
Author	V. Manohar, G. Laxminarayana, T. Satya Savithri
Citation	Vol. 19  No. 3  pp. 1-10
Keywords	Windowing Firefly Algorithm, Image Compression, 2-D histogram, thresholding, Renyi entropy.

Title	Peak to Average Power Ratio (PAPR) Reduction in OFDM for Optic Communications based on Conventional Selected Mapping
Author	Ousama M Abdulwanes Awad, Muhammed Fatih Kili?aslan, Javad Rahebi
Citation	Vol. 19  No. 3  pp. 11-15
Keywords	Orthogonal Frequency Division Multiplexing, Conventional Selected Mapping, Fast Fourier Transform.