List of Articles recommender system Open Access Article Abstract Page Full-Text 1 - Designing a Trust-Based Recommender System in Social Rating Networks Maedeh Kiani Sarkaleh Fatemeh Khoshnood Open Access Article Abstract Page Full-Text 2 - Devising a Profit-Aware Recommender System using Multi-Objective GA Yaser Nemati Hossein Khademolhosseini Open Access Article Abstract Page Full-Text 3 - Increasing the Accuracy of Recommender Systems Using the Combination of K-Means and Differential Evolution Algorithms Ali Pazahr Open Access Article Abstract Page Full-Text 4 - Provide a video recommendation system using collaborative filtering and data mining methods Reza Molaee Fard Open Access Article Abstract Page Full-Text 5 - An Optimal Similarity Measure for Collaborative Filtering Using Firefly Algorithm Fatemeh Shomalnasab Mehdi Sadeghzadeh Mansour Esmaeilpour