Julien Longhi is Professor of Linguistics at CY Cergy Paris Université. He specializes in discourse analysis of political and media texts, with a particular focus on ideologies, social media and digital humanities.Claudia Marinica is Assistant Professor in Computer Science at CY Cergy Paris Université and researcher at ETIS lab. Her research focuses on Artificial Intelligence: Data Sciences (unsupervised learning techniques) and Knowledge Representation.