List of Articles recommender system Open Access Article Abstract Page Full-Text 1 - A Novel Clustering Algorithm Based upon Learning Automata for Collaborative Filtering Sara Taghipour Javad Akbari Torkestani Sara Nazari 20.1001.1.22519246.2021.10.04.8.3 Open Access Article Abstract Page Full-Text 2 - User Classification in a Personalized Recommender System using Learning Automata Mansoureh Ghiasabadi Farahani Akbar Torkestani Mohsen Rahmani 20.1001.1.22519246.2021.10.04.10.5