@inproceedings{BarronCedenoAlamGalassietal.2023, author = {Alberto Barr{\´o}n-Cede{\~n}o and Firoj Alam and Andrea Galassi and Giovanni Da San Martino and Preslav Nakov and Tamer Elsayed and Dilshod Azizov and Tommaso Caselli and Gullal S. Cheema and Fatima Haouari and Maram Hasanain and Mucahid Kutlu and Chengkai Li and Federico Ruggeri and Julia Maria Struß and Wajdi Zaghouani}, title = {Overview of the CLEF-2023 CheckThat! Lab on Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority of News Articles and Their Source}, booktitle = {Experimental IR Meets Multilinguality, Multimodality, and Interaction}, editor = {Avi Arampatzis and Evangelos Kanoulas and Theodora Tsikrika and Stefanos Vrochidis and Anastasia Giachanou and Dan Li and Mohammad Aliannejadi and Michalis Vlachos and Guglielmo Faggioli and Nicola Ferro}, pages = {251 -- 275}, doi = {10.1007/978-3-031-42448-9_20}, year = {2023}, }