Data semantic negotiation method and service information exchange method in supply chain collaboration

The invention relates to the technical field of computer data communication security, and particularly provides a data semantic negotiation method and a service information exchange method in supply chain collaboration. In the data semantic negotiation method in supply chain collaboration, an upstream enterprise business system and a downstream enterprise business system exchange own data, naming and structural logic which can be used for collaboration to each other in a standard method according to preset rules and logic of the two parties, so that the subsequent calculation process can be carried out orderly, and the efficiency of the system is improved. The negotiation method can guarantee the privacy of data of both parties; according to the service information exchange method, data item access range coordination is achieved based on a data semantic negotiation method, service information sensitivity analysis is conducted in the process of achieving generation and exchange of an index calculation model, a