Title	Pathology and Prediction of Performance of Virtual Students by Using Regression Techniques
Author	Hossein Fathi, Reza Samizadeh
Citation	Vol. 16  No. 7  pp. 142-149
Keywords	E-Learning, Distance Learning, Academic Performance, Data Mining Techniques, Regression, Neural network

Title	A Novel Cluster-based Key Management Scheme to Improve Scalability in Wireless Sensor Networks
Author	Seyed Reza Nabavi, Seyed Morteza Mousavi
Citation	Vol. 16  No. 7  pp. 150-156
Keywords	Security, Clustering, Key Management, Wireless Sensor Networks

Title	Face emotion recognition system based on fuzzy logic using algorithm improved Particle Swarm
Author	Seyed mostafa sharifi, Marjan abdeyazdan
Citation	Vol. 16  No. 7  pp. 157-166
Keywords	Emotion face recognition system, Fuzzy inference system, Particle swarm optimization (PSO), Ant colony optimization real (ACOR), Genetic Algorithm (GA), Simulated annealing (SA).

Title	An Evaluation on Performance different metrics on extraction of Persian-English Parallel sentences
Author	Amin Keshavarzi, Marziyeh Homayouni
Citation	Vol. 16  No. 7  pp. 167-171
Keywords	Parallel sentences, Comparable Corpus, Wikipedia, Information Retrieval, Statistical Machine Translation.