The ninth edition of the Italian Conference on Computational Linguistics (CLiC-it 2023) was held from 30th November to 2nd December 2023 at Ca' Foscari University of Venice, in the beautiful venue of the Auditorium Santa Margherita - Emanuele Severino. After the edition of 2020, which was organized in fully virtual mode due to the health emergency related to Covid-19, and CLiC-it 2021, which was held in hybrid mode, with CLiC-it 2023 we are back to a fully in-presence conference. Overall, almost 210 participants registered to the conference, confirming that the community is eager to meet in person and to enjoy both the scientific and social events together with the colleagues.

Adapting BLOOM to a new language: A case study for the Italian Pierpaolo Basile, Lucia Siciliani, Elio Musacchio, Marco Polignano, Giovanni Semeraro U-DepPLLaMA: Universal Dependency Parsing via Auto-regressive Large Language Models Claudiu Daniel Hromei, Danilo Croce, Roberto Basili Investigating Text Difficulty and Prerequisite Relation Identification Chiara Alzetta Italian Linguistic Features for Toxic Language Detection in Social Media Leonardo Grotti Publishing the Dictionary of Medieval Latin in the Czech Lands as Linked Data in the LiLa Knowledge Base Federica Gamba, Marco Carlo Passarotti, Paolo Ruffolo

This book consitiutes the refereed proceedings of the 4th International Conference on Deep Learning Theory and Applications, DeLTA 2023, held in Rome, Italy from 13 to 14 July 2023. The 9 full papers and 22 short papers presented were thoroughly reviewed and selected from the 42 qualified submissions. The scope of the conference includes such topics as models and algorithms; machine learning; big data analytics; computer vision applications; and natural language understanding.