Yaghoubzadeh, M., Ebrahimi moghadam, A., Khademi, M., Sadoghi Yazdi, H.. Stock Trend Prediction Using Sentiment Index and Enhanced SVM with an Entropy-Based Sentiment Cost Function. Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran. 2025;22(4):278-286.