SEUPD@CLEF: Team GWCA on Longitudinal Evaluation of IR Systems by Using Query Expansion and Learning To Rank. - Leonardo Bellin; Antonino Andrea Carè; Marco Martini; Maria Teresa Pepaj; Matteo Salvalaio; Andrea Segala; Mariafiore Tognon; Nicola Ferro 001 (CLEF (Working Notes), 2023)