This is a wonderful and most welcome development.
What is the process for getting a query service added? I would like to add the Librarybase endpoint, http://sparql.librarybase.wmflabs.org/, but I want to make sure that it meets all the requirements.
On Fri, Mar 31, 2017 at 2:30 AM, Stas Malyshev smalyshev@wikimedia.org wrote:
Hello,
We've been working on integrating some external databases in the Query Service endpoint. You can now query in the same time Wikidata and other free knowledge bases. For now, only databases released under the most compatible licenses, such as CC0, are available. Currently available:
- Europeana[1], the huge collection of cultural data, which is entirely
available in public domain.
- Nomisma.org[2], a collaborative project to provide stable digital
representations of numismatic concepts.
- Biblioteca Virtual Miguel de Cervantes [3]
- Biblioteca Nacional de España [4]
Soon, we plan to also enable querying other databases, with licenses such as CC-BY. We plan to continue add endpoints based on user requests.
The currently available endpoints are listed here: https://query.wikidata.org/copyright.html
The documentation about the feature (which will also be updated when we add more endpoints) is in the Query Service User Manual [5].
Here are some examples to understand how to build such queries: https://www.wikidata.org/wiki/User:Smalyshev_(WMF)/Federation
Thanks a lot for your input! If you have any question or problem, feel free to contact me.
[1] http://labs.europeana.eu/api/linked-open-data-sparql-endpoint [2] http://nomisma.org/ [3] http://data.cervantesvirtual.com/about [4] http://datos.bne.es/sparql?help=intro [5] https://www.mediawiki.org/wiki/Wikidata_query_service/ User_Manual#Federation
-- Stas Malyshev smalyshev@wikimedia.org
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