Through Data Models, https://github.com/FIWARE/data-models They are repositories: https://github.com/smart-data-models Smart Data Models: FIWARE promotes the use of intelligent data models that are reusable and shared. These data models can be considered a kind of "vocabulary hub" as they provide standard and common definitions to describe entities and their attributes across different domains. FIWARE Data Models: These data models are collections of JSON schemas used to describe different entities in various domains (such as agriculture, transportation, etc.). Although it is not a "hub" in the sense of a centralized platform, these standard data models facilitate interoperability and information exchange. API and MongoDB are sufficient.