This website collects papers to be presented at the 11th Italian Quantum Information Science conference (IQIS 2018 : Catania, Italy, September 17-20, 2018). All papers submitted before the end of August 2018 will be included, as preprints, in a USB stick to be distributed to all participants. After peer-reviewing, accepted papers will be eventually published in a special issue of Proceedings (MDPI), edited by G. Falci, G. M. Palma, E. Paladino, A. La Magna, F. M. D. Pellegrino, G. G. N. Angilella.