Geospatial big data technologies and applications for government decision-making 并列题名：Geospatial big data technologies and applications for government decision-making Key technologies and applications for internet of video things new data, new technologies and human-machine collaborative decision-making Geographic information systems and applications in management and decision making Intelligent service technology and practice of government macro decision-making Key technologies and applications of machine learning 并列题名：Intelligent service technology and practice of government macro decision-making Technologies and applications of equipment oil monitoring 并列题名：Technologies and applications of equipment oil monitoring