(1) Scope introduces the main content of this document and the fields to which this document applies. (2) Normative reference documents list the standard documents cited in this document. (3) Terms and definitions The terms and definitions defined in GB/T18391.1, GB/T19710 and the following terms and definitions apply to this document. (4) Description method. This chapter uses the Unified Modeling Language (UML) diagram to define the overall abstract model of food metadata. (5) Metadata composition. This chapter introduces the form and components of metadata. The components adopt the Industrial Internet Basic definition of identity parsing metadata. (6) Food metadata description This chapter introduces that food metadata consists of subject data, object data, location data, etc. (7) Food metadata extension types and principles This chapter introduces the types that allow food metadata extensions, as well as the principles for extension.
T/SDBSJX 004-2023 history
2023T/SDBSJX 004-2023 Identification and resolution system for the industrial internet—Food—Metadata