Changes

** [28:32] QuickPresets Gadget - demo. Code is at [[MediaWiki:Gadget-QuickPresets.js]]

** [28:32] QuickPresets Gadget - demo. Code is at [[MediaWiki:Gadget-QuickPresets.js]]

** [28:58] How to turn Gadgets on and off

** [28:58] How to turn Gadgets on and off

* [39:41] Explanation of Wikibase Technology: SQL datastore of triples. There is a CRUD API that interfaces with that. But it also uses a graph database to enable SPARQL queries. The SQL database gets fed into BlazeGraph using the 'updater' but this has a delay (a second to several hours). So query results may not be as up to date as what is in the database.

* [39:41] Explanation of Wikibase Technology: SQL datastore of RDF triples. There is a CRUD API that interfaces with that. But it also uses a graph database to enable SPARQL queries. The SQL database gets fed into BlazeGraph using the 'updater' but this has a delay (a second to several hours). So query results may not be as up to date as what is in the database.

** [42:05] how to access SPARQL query service

** [42:05] how to access SPARQL query service

** [[Help:Wikibase_technology]]

** [[Help:Wikibase_technology]]

*** [43:12] API Sandbox

*** [43:12] API Sandbox

*** The moment you make an HTTP Post request via the API, that goes into the wiki's SQL database.

*** The moment you make an HTTP Post request via the API, that goes into the wiki's SQL database.

*** [43:40] Explanation of what a "claim" is.

*** [43:40] Explanation of what a "claim" is. - it is effectively an RDF triple. e.g. Item - Property - Item or Item - Property - String/datatype