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This is documentation for OpenAIRE Research Graph Documentation 5.0.0, which is no longer actively maintained.
For up-to-date documentation, see the latest version (5.1.0).
Version: 5.0.0

# Data model

The OpenAIRE Research Graph comprises several types of entities and relationships among them.

The latest version of the JSON schema can be found on the Downloads section.

The figure above, presents the graph's data model. Its main entities are described in brief below:

- Results represent the outcomes (or products) of research activities.
- Data Sources are the sources from which the metadata of graph objects are collected.
- Organizations correspond to companies or research institutions involved in projects, responsible for operating data sources or consisting the affiliations of Product creators.
- Projects are research project grants funded by a Funding Stream of a Funder.
- Communities are groups of people with a common research intent (e.g. research infrastructures, university alliances).

Further reading

A detailed report on the OpenAIRE Research Graph Data Model can be found on Zenodo.