-- Balancing the Virtual World: Exploring the Efficacy of a Virtual Layer in Mitigating Cyber Sickness. -- Temporal and Flexible Data Warehouses. -- Data Science for the Promotion of Sustainability in Smart Water Distribution Systems. -- Disaster Tweet Classification Using Fine-tuned Deep Learning Models versus Zero and Few-Shot Large Language Models. -- Statistical Hypothesis Testing and Modelling of Peoples’ Power: A Causal Study of the #BlackLivesMatter Movement via Hawkes Processes on Social and Mass Media. -- A Survival Analysis Approach to Predicting Severe Leukopenia in Advanced Breast Cancer Patients.

This book constitutes the proceedings of the 12th International Conference on Data Management Technologies and Applications, DATA 2023 , held in Rome,Italy during July 11–13, 2023, Proceedings. The 6 full paper were carefully reviewed and selected from 106 submissions. The papers are organized in subject areas as follows: Big Data Applications, Data Analytics, Data Science, NoSQL Databases, Social Data Analytics, Dimensional Modelling, Deep Learning and Big Data, Decision Support Systems, Data Warehouse Management and Data Management for Analytics.