List of Articles Metaheuristic algorithms Open Access Article Abstract Page Full-Text 1 - Task Scheduling Algorithm in Fog Computing Layer for Optimizing Multiple Quality of Service Parameters Using Jellyfish Search Optimization Zahra Jafari Ahmad habibi Zadeh Novin Azadeh Zamanifar Open Access Article Abstract Page Full-Text 2 - Layered Defect Prediction Model for Software Product Lines Using Feature Fusion and Ensemble Classification Mehdi Habibzadeh-khameneh Akbar Nabiollahi Najafabadi Reza Tavoli Hamid Rastegari