Research on public data classification and grading and application practice

The public data classification and grading system is an important part of the data foundation system. Its strong and orderly application and implementation of data elements of the system supply, efficient circulation and security governance has an important role in supporting and guaranteeing. This paper proposes a feasible closed-loop management method for public data classification and grading based on the pilot situation of classification and grading of relevant departments and cities in Jiangsu Province. We establish a classification and grading control system for data of different sensitive levels. Under the premise of safeguarding data security, we optimize the allocation of data resources, promote data sharing and opening and authorized operation, and improve the security and transparency of data circulation and transaction, so as to promote the effective release of the value of data elements.