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itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Data model</span><meta itemprop="position" content="1"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: 9.0.0</span><div class="theme-doc-markdown markdown"><h1>Data model</h1><p>The OpenAIRE Graph comprises several types of <a href="/docs/category/entities">entities</a> and <a href="/docs/category/relationships">relationships</a> among them.</p><p>The latest version of the JSON schema can be found on the <a href="/docs/downloads/full-graph">Downloads</a> section.</p><p align="center"><img loading="lazy" alt="Data model" src="/docs/assets/images/data-model-3-1679f69edb095539a1431b7975099b17.png" width="80%" class="img_node_modules-@docusaurus-theme-classic-lib-theme-MDXComponents-Img-styles-module img_ev3q"></p><p>The figure above, presents the graph's data model. Its main entities are described in brief below:</p><ul><li><a href="/docs/data-model/entities/research-product">Research products</a> represent the outcomes (or products) of research activities.</li><li><a href="/docs/data-model/entities/data-source">Data sources</a> are the sources from which the metadata of graph objects are collected. </li><li><a href="/docs/data-model/entities/organization">Organizations</a> correspond to companies or research institutions involved in projects, responsible for operating data sources or consisting the affiliations of Product creators.</li><li><a href="/docs/data-model/entities/project">Projects</a> are research project grants funded by a Funding Stream of a Funder.</li><li><a href="/docs/data-model/entities/community">Communities</a> are groups of people with a common research intent (e.g. research infrastructures, university alliances).</li><li>Persons correspond to individual researchers who are involved in the design, creation or maintenance of research products. Currently, this is a non-materialized entity type in the Graph, which means that the respective metadata (and relationships) are encapsulated in the author field of the respective research products.</li></ul><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>Further reading</div><div class="admonitionContent_S0QG"><p>A detailed report on the OpenAIRE Graph Data Model can be found on <a href="https://zenodo.org/record/2643199" target="_blank" rel="noopener noreferrer">Zenodo</a>.</p></div></div></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Overview</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/category/entities"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Entities</div></a></nav></div></div></div></div></main></div></div><footer class="footer"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright 漏 2024 OpenAIRE</div></div></div></footer></div> <script src="/docs/assets/js/runtime~main.17d936df.js"></script> <script src="/docs/assets/js/main.42758c1f.js"></script> </body> </html>