Title	Gas Logging Data Normalization Processing Based on Rough Set Theory
Author	Wu Xiao-yu，Zhang Fang-zhou，Li Qiang，Sun Rui-xue，Sun Chun-yu
Citation	Vol. 15  No. 7  pp. 27-32
Keywords	logging data, rough set

Title	Secret Message Integrity of Audio Steganography Using Bi-LSB Embedding
Author	Mahmood Maher Salih, Mudhafar Al-Jarrah
Citation	Vol. 15  No. 7  pp. 20-26
Keywords	Steganography, Least Significant Bit (LSB), Bi Least Significant Bit (Bi-LSB), embedding, extractin, integrity, checksum, hash function, frequency

Title	A Genetic Approach for Gateway Placement in Wireless Mesh Networks
Author	Awadallah M. Ahmed, Aisha Hassan A. Hashim
Citation	Vol. 15  No. 7  pp. 11-19
Keywords	Wireless Mesh Network, Gateway Placement, Genetic Algorithm, optimization

Title	Integration of analytic model and simulation model for analysis on system survivability
Author	Jang Se Lee
Citation	Vol. 15  No. 7  pp. 6-10
Keywords	Integration, Analytic model, Simulation Model, SPN, DEVS