Title	Arabic Information Retrieval Using Semantic Analysis of Documents
Author	Mohammad Khaled A. Al-Maghasbeh, Mohd Pouzi Bin Hamzah
Citation	Vol. 18  No. 5  pp. 53-58
Keywords	Information retrieval, Arabic information retrieval, Arabic WordNet, semantic analysis, Arabic semantic information retrieval.

Title	Mining network traffics for intrusion detection based on Bagging ensemble Multilayer perceptron with Genetic algorithm optimization
Author	Mehdi Moukhafi, Khalid El Yassini and Seddik Bri
Citation	Vol. 18  No. 5  pp. 59-66
Keywords	Machine learning Based Intrusion Detection Parameters optimization Genetic algorithm Multilayer perceptron Neural Network

Title	Using Clustering Techniques to Plan Indoor Femtocells Layout
Author	Lamiaa Fattouh Ibrahim, Hesham A. Salman, Zaki Taha Fayed
Citation	Vol. 18  No. 5  pp. 67-74
Keywords	network planning, cell planning, mobile network, Heterogeneous Mobile Networks, Cluster Technique, PAM, Constraints Cluster

Title	Extended Time Petri Net and Hybrid Petri Net : Modeling Multi-Instance Dynamic Hybrid Systems
Author	Yamen El Touati, Mohamed Ayari and Saleh Altowaijri
Citation	Vol. 18  No. 5  pp. 75-83
Keywords	Hybrid Petri Nest, Time Petri Nets, Dynamic Hybrid Systems..