Group 1 - The Xiamen Municipal Government has issued a notification to promote high-quality development of the data industry, focusing on five key areas: infrastructure, industry layout, data circulation, application innovation, and development environment [1] - The notification includes 16 practical measures aimed at accelerating the construction of Xiamen Data Port and establishing a digital economy driven by data as a key element [1] - It emphasizes the construction of a data infrastructure support system and encourages enterprises to engage in various technological practices, including trusted data spaces and blockchain [1] Group 2 - The notification encourages the establishment of independent data business entities by leading industry companies and internet platform enterprises, fostering a diverse range of data operating entities [2] - It promotes the creation of a new paradigm for enterprise data circulation and enhances data governance capabilities by encouraging the establishment of Chief Data Officer roles and improving data resource management mechanisms [2] - The notification aims to stimulate data application innovation, expand data resource supply, and accelerate the development and utilization of public data [2]