List of Articles Clustering Open Access Article Abstract Page Full-Text 1 - A Hybrid Grey based Two Steps Clustering and Firefly Algorithm for Portfolio Selection farshad faezy razi Naeimeh Shadloo 10.22094/joie.2017.276 20.1001.1.22519904.2017.10.22.5.0 Open Access Article Abstract Page Full-Text 2 - A bi-objective mathematical model for the patient appointment scheduling problem in outpatient chemotherapy clinics using Fuzzy C-means clustering: A case study Masoud Rabbani Alireza Khani amirreza Zare niloofar Akbarian-Saravi 10.22094/joie.2022.1928133.1849 Open Access Article Abstract Page Full-Text 3 - Residential appliance clustering based on their inherent characteristics for optimal use based K-means and hierarchical clustering method Shima Simsar Mahmood Alborzi Ali Rajabzadeh Ghatari Ali Yazdian Varjani 10.22094/joie.2023.1975210.2028 Open Access Article Abstract Page Full-Text 4 - Fuzzy Particle Swarm Optimization Algorithm for a Supplier ClusteringProblem esmaeil Mehdizadeh reza Tavakkoli Moghaddam Open Access Article Abstract Page Full-Text 5 - Optimizing Data Transmission System Performance in Underwater Wireless Sensor Networks Using the Search and Rescue Algorithm Saif Kadhim Mutar Azam Andalib Hossein Azgomi Seyed Ali Sharifi 10.71720/joie.2025.1207709