Data Information in Online Environments

This book constitutes the refereed proceedings of the 5th International Conference on Data and Information in Online, DIONE 2024, held in Sanya, China, during November 1-3, 2024. The 34 full papers were presented in this volume were carefully reviewed and selected from 99 submissions. They focus on Machine Learning and Artificial Intelligence; Optimization and Intelligent Systems; Privacy, Security, and Risk Management; Emerging Applications and Interdisciplinary Research.