List of Articles Feature Selection Open Access Article Abstract Page Full-Text 1 - Improving the Operation of Text Categorization Systems with Selecting Proper Features Based on PSO-LA Mozhgan Rahimirad Mohammad Mosleh Amir Masoud Rahmani Open Access Article Abstract Page Full-Text 2 - Improvement of effort estimation accuracy in software projects using a feature selection approach Zahra Shahpar Vahid Khatibi Asma Tanavar Rahil Sarikhani Open Access Article Abstract Page Full-Text 3 - A New Approach for Text Documents Classification with Invasive Weed Optimization and Naive Bayes Classifier Saman Khalandi Farhad Soleimanian Gharehchopogh Open Access Article Abstract Page Full-Text 4 - A Novel Hybrid Approach for Email Spam Detection based on Scatter Search Algorithm and K-Nearest Neighbors Samira Amjad Farhad Soleimanian Gharehchopogh Open Access Article Abstract Page Full-Text 5 - Improve Spam Detection in the Internet Using Feature Selection based on the Metahuristic Algorithms Abdulbaghi Ghaderzadeh sahar Hosseinpanahi Sarkhel Taher kareem Open Access Article Abstract Page Full-Text 6 - An Optimization-based Learning Black Widow Optimization Algorithm for Text Psychology Ali Hosseinalipour Farhad Soleimanian Gharehchopogh mohammad masdari ALi Khademi