Title	Efficient Approach for Building Hierarchical Cluster Representative
Author	Mohammad A. Hassan, Yaser A. M. Hasan
Citation	Vol. 11  No. 1  pp. 178-184
Keywords	information retrieval, cluster retrieval, cluster representative

Title	Application Of Analytic Hierarchy Process (AHP) In The Evaluation and Selection Of an Information System Reengineering Projects
Author	Zahi Abu-Sarhan
Citation	Vol. 11  No. 1  pp. 172-177
Keywords	Analytic hierarchy process, AHP, Reengineering, information system project

Title	Analysis of an Inflection S-shaped Software Reliability Model Considering Log-logistic Testing-Effort and Imperfect Debugging
Author	N. Ahmada, M. G. M. Khanb, L. S. Rafib
Citation	Vol. 11  No. 1  pp. 161-171
Keywords	Software reliability growth models, Testing-effort functions, Software testing, Imperfect debugging, Inflection S-shaped NHPP growth model, Estimation methods

Title	Security Issues of Service-Oriented Middleware
Author	Jameela Al-Jaroodi, Alyaziyah Al-Dhaheri
Citation	Vol. 11  No. 1  pp. 153-160
Keywords	Middleware, security, service-oriented computing, service-oriented middleware