Last version: 2024-09-04
Open catalog of scholarly works (journal articles, conference papers, books and book chapters, datasets, and theses), authors, institutions. It includes connections between these works, finding associations through things like journals, authors, institutional affiliations, citations, concepts, and funders.
| Name | OpenAlex |
|---|---|
| Website | https://openalex.org/ |
| Owner | OurResearch |
| Owner type | Non profit organization |
| Owner country | Canada |
| Launch year | 2022 |
| Scope | Any |
| Number of items | Over 240M works (scholarly documents: journal, articles, conference papers, books and book chapters, datasets and theses) |
| Access for index users | Free |
| Access for index data providers | Free |
| Documentation | About technical informations: https://docs.openalex.org/ |
| Application form for providers | None |
| Content type | Journal articles, conference papers, books, datasets, theses |
|---|---|
| Content language | Any |
| Content geographical provenance | Any |
| Indexing level for publications | articles |
| Full text | Link to the full text if available |
| Index sources | Mainly Microsoft Academic Graph and CrossRef ORCID ROR DOAJ Unpaywall Pubmed Pubmed Central The ISSN International Centre Internet Archive Web crawls Subject-area and institutional repositories from arXiv to Zenodo and many in between |
| Supported standards | Not communicated |
| Contact Address for Providers | https://help.openalex.org/hc/en-us/requests/new (Webform) |
| Bibliodiversity support | No limitations on the content language OpenAlex provides a set of openness attributes: Gold: Published in an OA journal that is indexed by the DOAJ. Green: Toll-access on the publisher landing page, but there is a free copy in an OA repository. Hybrid: Free under an open license in a toll-access journal. Bronze: Free to read on the publisher landing page, but without any identifiable license. Closed: All other articles. |
Additional services
OpenAlex API (Free and no authentication needed, daily limit of API calls is 100 000 requests per user): https://docs.openalex.org/how-to-use-the-api/api-overview
OpenAlex Snapshot (download and installation of a complete copy of the OpenAlex database):
https://docs.openalex.org/download-all-data/openalex-snapshot
OpenAlex automatically indexes new journals and articles. If the publications are not already stored in OpenAlex data sources. OpenAlex primarily retrieves new records from Crossref (https://www.crossref.org/).
Data Collection
Automatic web crawling
Dependent from the data sources crawled by OpenAlex
Dependent from the data sources crawled by OpenAlex
Technical Additional Specifications
SEO/UX requirements
None