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The OAI interface is usually accessible by adding "/oai/request" to the repository domain name or URL. Example of OAI base URL:
| Code Block |
|---|
http://example.com/oai/request
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To verify whether the OAI repository really is accessible, you should add "?verb=Identify" to the base URL to get an XML document with repository description. Example:
| Code Block |
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http://example.com/oai/request?verb=Identify
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If it returns the XML document, you have found an OAI interface, proceed with next chapter How to harvest. If it returns a page not found (404 HTTP response code) or an error page, there is no OAI interface at this address (either the repository doesn't provide an OAI-PMH interface or it's not accessible at this URL or it's not publicly accessible).
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List of redistributable repositories
More information can be found in the http://openbiblio.net/
Repo name | license / Terms of use | OAI interface / data files | number of items |
|---|---|---|---|
| Pub Med Central's Open Access Subset | CC licenses | OAI-PMH & FTP (for files) | over 1 million |
? | |||
most should be redistributable (TODO: verify) | ? | ||
| British Library | CCo Public Domain Dedication License | CKAN Package | 3 Mio (2010-11) |
| Swedish National Bibliography | CCo | OAI-PMH feed | 2.4 Mio |
| Europeana Linked Open Data | CCO | Datasets and own API | 20 Mio |
| Spanish National Library | Datahub | ||
| German National Bibliography | CC0 | OAI SRU Datahub | 11 Mio |
| Research Data Curation Bibliography | CC-BY-NC 3.0 | N/A | 650 |
(When we have a larger list and we'll have checked the license terms, we can harvest the content and provide convenient dumps in form of SQL files and AIP or Simple Archive Format files here.)
TODO: http://blog.sense.io/23-resources-for-finding-open-data/
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