Core Insights - The 2025 China International Big Data Industry Expo highlighted the achievements of Changsha in digital government, with two projects recognized for their innovative contributions [1] - Changsha's "Smart Vision System" was awarded as an exemplary case in digital government management innovation, while the "Changsha Government Cloud Multi-Dimensional Protection" won an award for enabling secure data flow [1][4] Group 1: Smart Vision System - The "Smart Vision System" serves as a model for urban governance, built on a robust technical framework and governance efficiency [2] - It integrates over 310,000 video resources from 43 government and enterprise units, establishing a unified platform for AI computing and algorithm development [2] - The system has effectively identified over 30,000 safety hazards since its launch, with a resolution rate exceeding 95% [3] Group 2: Government Cloud Multi-Dimensional Protection - The "Changsha Government Cloud" supports over 400 government systems across 78 units, emphasizing a balance between security and data flow [4] - It features a unique "one center, seven layers of protection" architecture to ensure zero data loss and minimal recovery delays [5] - The cloud environment promotes secure data sharing through encryption and blockchain technologies, facilitating the launch of 9,100 services in the public sector [6] Group 3: Future Directions - Changsha aims to continue leveraging data-driven strategies, focusing on security and public benefit to enhance its digital government framework [8] - The recognition of Changsha's initiatives provides a replicable model for national government cloud security and data flow [8]