Dear Esteemed Participants, It is with great pleasure and enthusiasm that I welcome you to the World Conference on Smart Systems : Big Data, IoT, Cybersecurity, and IT in Action, scheduled to be held from September 17-19, 2026, in Tokyo, Japan. This prestigious event serves as a dynamic platform for researchers, innovators, industry experts, and thought leaders to exchange ground breaking ideas and advancements in smart technologies, artificial intelligence, IoT, automation, and intelligent computing. As we stand on the brink of a technological revolution, Smart Systems are transforming industries, reshaping economies, and enhancing our daily lives. This conference will provide a unique opportunity to explore cutting-edge research, real-world applications, and emerging trends that will define the future of smart systems. We are honoured to host a distinguished line up of speakers, interactive panel discussions, and insightful presentations that will foster collaboration and drive innovation in this ever-evolving field. Whether you are attending in person or virtually, we encourage you to engage, network, and contribute to meaningful discussions that will shape the future of smart systems.