Requirement see [[ https://www.wikidata.org/wiki/Wikidata:SPARQL_federation_input#Attribution_licences_(like_CC-BY) | Wikidata:SPARQL_federation_input ]]
[] Complies with the SPARQL 1.1 protocol, "query operation" part, at least to the extent necessary to make federated SERVICE clause work
[] Contains data that can be linked to Wikidata
[] Has data freely available under license compatible with CC0 (preferred)
See response [[ https://kundo.se/org/librisxl/d/federated-sparql-fragor-hur-gor-man-och-vad-behovs/ | Libris XL]]
Example Federated search from presentation 2014
{F24240809,size=full}
in [[ https://youtu.be/xZDljVBEt5Q?t=43m30s | video at 43min ]]
Discussion in Swedish about how caching can be used for federated search in '''Libris''' see [[ https://youtu.be/xZDljVBEt5Q?t=47m20s | video at 47 minutes ]]
{F24241879,size=full}
See also:
* Format och Vokabulär [[ http://www.kb.se/dokument/Aktuellt/Libris%20anv%C3%A4ndardag/Libris_anvdag2017%20_XL_Format.pdf | pdf ]], [[ https://www.youtube.com/watch?v=9IFE4J9dIOs | video ]] - Niklas Lindström, Kungliga biblioteket
* Ett RÅ:are Sverige | Niklas Lindström | Kungliga biblioteket [[ https://www.youtube.com/watch?v=y3xFXOCRuao | video ]]
* Att uppgradera (ett nationalbibliotek) till länkad data [[ https://www.youtube.com/watch?v=xZDljVBEt5Q | video ]] - Niklas Lindström, Kungliga biblioteket
* Webinarier
** [[https://entryscape.com/en/2014/03/webbinarium-med-henrik-summanen-om-riksantikvarieambetets-erfarenheter-kring-lankade-oppna-data/| Riksantikvarieämbetets erfarenheter kring länkade öppna data]]
** [[https://entryscape.com/en/2014/04/webbinarium-med-niklas-lindstrom-om-att-uppgradera-ett-nationalbibliotek-till-lankad-data/|Kungliga bibliotekets arbete med länkade data]]
** [[https://entryscape.com/en/2014/05/webbinarium-om-lankade-data-for-nobelpris/ |Länkade nobelpris]] – att producera och konsumera länkade öppna data
* Book [[http://patterns.dataincubator.org/book/|Linked Data patterns]]
* [[https://www.w3.org/DesignIssues/LinkedData.html| Linked Data Design issues]]