50 lines
3.7 KiB
Markdown
50 lines
3.7 KiB
Markdown
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# Getting a single entity
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This is a guide on how to retrieve detailed information on a single entity using the OpenAIRE Graph API.
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## Endpoints
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Currently, the Graph API supports the following entity types:
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- Research products - endpoint: `GET /researchProducts/{id}`
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- Organizations - endpoint: `GET /organizations/{id}`
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- Data sources - endpoint: `GET /dataSources/{id}`
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- Projects - endpoint: `GET /projects/{id}`
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You can retrieve the data of a single entity by providing the entity's OpenAIRE identifier (id) in the corresponding endpoint.
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The OpenAIRE id is the primary key of an entity in the OpenAIRE Graph.
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:::note
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Note that if you want to retrieve multiple entities based on their OpenAIRE ids, you can use the [search endpoints and filter](./searching-entities/filtering-search-results.md#or-operator) by the `id` field using `OR`.
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:::
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## Response
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The response of the Graph API is a [Research product](../../data-model/entities/research-product.md), [Organization](../../data-model/entities/organization.md), [Data Source](../../data-model/entities/data-source.md), or [Project](../../data-model/entities/project.md), depending on the endpoint used.
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## Example
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In order to retrieve the research product with OpenAIRE id: `doi_dedup___::2b3cb7130c506d1c3a05e9160b2c4108`,
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you have to perform the following API call:
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[https://api-beta.openaire.eu/graph/researchProducts/doi_dedup___::a55b42c0d32a4a24cf99e621623d110e](https://api-beta.openaire.eu/graph/researchProducts/doi_dedup___::a55b42c0d32a4a24cf99e621623d110e)
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This will return all the data of the research product with the provided identifier:
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```json
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{
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id: "doi_dedup___::a55b42c0d32a4a24cf99e621623d110e",
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mainTitle: "OpenAIRE Graph Dataset",
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description: [
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"The OpenAIRE Graph is exported as several dataseta, so you can download the parts you are interested into. <strong>publication_[part].tar</strong>: metadata records about research literature (includes types of publications listed here)<br> <strong>dataset_[part].tar</strong>: metadata records about research data (includes the subtypes listed here) <br> <strong>software.tar</strong>: metadata records about research software (includes the subtypes listed here)<br> <strong>otherresearchproduct_[part].tar</strong>: metadata records about research products that cannot be classified as research literature, data or software (includes types of products listed here)<br> <strong>organization.tar</strong>: metadata records about organizations involved in the research life-cycle, such as universities, research organizations, funders.<br> <strong>datasource.tar</strong>: metadata records about data sources whose content is available in the OpenAIRE Graph. They include institutional and thematic repositories, journals, aggregators, funders' databases.<br> <strong>project.tar</strong>: metadata records about project grants.<br> <strong>relation_[part].tar</strong>: metadata records about relations between entities in the graph.<br> <strong>communities_infrastructures.tar</strong>: metadata records about research communities and research infrastructures Each file is a tar archive containing gz files, each with one json per line. Each json is compliant to the schema available at http://doi.org/10.5281/zenodo.8238874. The documentation for the model is available at https://graph.openaire.eu/docs/data-model/ Learn more about the OpenAIRE Graph at https://graph.openaire.eu. Discover the graph's content on OpenAIRE EXPLORE and our API for developers."
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],
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type: "dataset",
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publicationDate: "2023-08-08",
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publisher: "Zenodo",
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id: [
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{
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scheme: "Digital Object Identifier",
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value: "10.5281/zenodo.8217359"
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}
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],
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// for brevity, the rest of the fields are omitted
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}
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```
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