Our article entitled “Unsupervised and Supervised Methods to Estimate Temporal-Aware Contradictions in Online Course Reviews” has been published in a Special Issue of Mathematics (Natural Language Processing (NLP) and Machine Learning (ML)—Theory and Applications). Link: https://www.mdpi.com/2227-7390/10/5/809 Abstract: The analysis of user-generated content on the Internet has become increasingly popular for a wide variety of applications. […]