Research on the theory and practices of long-term preservation for digital information resources Research on planning, management and utilization of digital information resources Research on the development of the periodical information resources Research on the theory and practice of the government chief information officer system Research on the theory and method of enterprise information resource planning 并列题名：Research on planning, management and utilization of digital information resources 并列题名：Research on the development of the periodical information resources Technology and practice of integration and utilization of government information resources