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openaire-graph-docs/docs/data-model/data-model.md

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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 Bulk downloads.

Data mode

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

  • Research Products represent the outcomes of research activities.
  • Organizations correspond to companies or research institutions involved in projects, responsible for operating data sources or consisting the affiliations of Product creators.
  • Funders (e.g. EC, Wellcome Trust) are agencies responsible for a list of Funding Streams.
  • Funding Streams represent investments (funding actions) from Funders (e.g. FP7 or H2020).
  • Projects are research projects funded by a Funding Stream of a Funder.
  • Data Sources are the resources used to collect metadata for the graph objects