Group 1 - The "Double Intelligence" traffic intelligent system has been implemented at the Liandongqiao intersection in Haidian District, achieving a daily traffic volume increase of 24.8% and a reduction of over 40% in congestion index during peak hours [1] - A total of 21 intelligent systems were launched, including the "Double Intelligence" traffic system, "Law Eye" case review system, and smart building systems, which cover five major categories: urban governance, urban services, public safety, education and health, and government affairs [1] - These intelligent systems are developed based on the accumulation of practices from Haidian's AI innovation district and various explorations across the country, representing a new digital and intelligent form accompanying urban development [1] Group 2 - A collaborative initiative involving 24 organizations, including Beijing University of Posts and Telecommunications, Baidu, Tencent Cloud, and others, has been launched to promote the intelligent system ecosystem [2] - The collaboration will focus on three key dimensions: co-creating integrated application scenarios, nurturing a prosperous innovation ecosystem, and enhancing the transformation of scientific and technological achievements [2] - The initiative aims to support the broader and deeper ecological cooperation necessary for the construction of smart cities [2]