2022-09-02 15:49:27 +02:00
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# Data model
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2022-09-02 18:12:15 +02:00
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The OpenAIRE Research Graph comprises several types of [entities](./category/entities) and [relationships](./relationships) among them.
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2022-09-02 15:49:27 +02:00
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The latest version of the JSON schema can be found on [Bulk downloads](../download).
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The figure above, presents the graph's data model.
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Its main entities are described in brief below:
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* Research Products represent the outcomes of research activities.
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* Organizations correspond to companies or research institutions involved in projects,
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responsible for operating data sources or consisting the affiliations of Product creators.
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* Funders (e.g. EC, Wellcome Trust) are agencies responsible for a list of Funding Streams.
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* Funding Streams represent investments (funding actions) from Funders (e.g. FP7 or H2020).
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* Projects are research projects funded by a Funding Stream of a Funder.
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* Data Sources are the resources used to collect metadata for the graph objects
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