5 Data classification 5.1 Classification method 5.1.1 Line classification method 5.1.2 Surface classification method 5.1.3 Hybrid classification method 5.2 Classification dimension 5.2.1 Overview 5.2.2 Technology selection dimension 5.2.3 Business application dimension 5.2.4 Theme dimension 6 Data classification Data classification is generally performed according to the following four steps: a) Determine the affected objects. b) Determine the scope of impact. c) Determine the extent of impact. d) Based on the above three factors, grade the data.
T/CPCIF 0270-2023 history
2023T/CPCIF 0270-2023 Guide for classification and grading of industrial data in petroleum and chemical industry