Sifting French Tweets to Investigate the Impact of Covid-19 in Triggering Intense Anxiety Mohamed Amine Romdhane author Elena Cabrio author Serena Villata author 2021-06 text Actes de la 28e Conférence sur le Traitement Automatique des Langues Naturelles. Volume 1 : conférence principale Pascal Denis editor Natalia Grabar editor Amel Fraisse editor Rémi Cardon editor Bernard Jacquemin editor Eric Kergosien editor Antonio Balvet editor ATALA Lille, France conference publication amine-romdhane-etal-2021-sifting https://aclanthology.org/2021.jeptalnrecital-taln.21/ 2021-6 219 226