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→‎Our Wikibase.cloud unboxing experience and first findings
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* As can be seen from the [https://kbtestwikibase.wikibase.cloud/wiki/Special:ListUsers users list], there is a preset default admin [[User:Ookgezellig]] account for this instance, resulting from the global wikibase.cloud creation account (ookgezellig@gmail.com)
* As can be seen from the [https://kbtestwikibase.wikibase.cloud/wiki/Special:ListUsers users list], there is a preset default admin [[User:Ookgezellig]] account for this instance, resulting from the global wikibase.cloud creation account (ookgezellig@gmail.com)
* [https://kbtestwikibase.wikibase.cloud/w/index.php?title=Special:CreateAccount&returnto=Main+Page Creating additional, regular user accounts] on this Wiki instance was as expected. We created [[User:OlafJanssen]] with normal, restricted privileges.
* [https://kbtestwikibase.wikibase.cloud/w/index.php?title=Special:CreateAccount&returnto=Main+Page Creating additional, regular user accounts] on this Wiki instance was as expected. We created [[User:OlafJanssen]] with normal, restricted privileges.
* ISSUE: ''Regular user accounts with default privileges are not allowed to add  URLs to items'' (see Phabricator [https://phabricator.wikimedia.org/T310419 T310419], [https://phabricator.wikimedia.org/T86453 T86453] and [https://phabricator.wikimedia.org/T310421 T310421]). In order to be able to add the Wikidata URL to (for instance) [https://kbtestwikibase.wikibase.cloud/wiki/Property:P3 P3] ("is a unique exmple of"), we used the [[User:Ookgezellig]] admin account to temporarily upgrade the [[User:OlafJanssen]] account to admin privileges as well.  
* ISSUE: ''Regular user accounts with default privileges are not allowed to add  URLs to items'' (see Phabricator [https://phabricator.wikimedia.org/T310419 T310419], [https://phabricator.wikimedia.org/T86453 T86453] and [https://phabricator.wikimedia.org/T310421 T310421]). In order to be able to add the Wikidata URL to (for instance) [https://kbtestwikibase.wikibase.cloud/wiki/Property:P3 P3] ("is a unique exmple of"), we used the [[User:Ookgezellig]] admin account to temporarily upgrade the [[User:OlafJanssen]] account to admin privileges as well.
* IMPORTANT: the Wikidata URL in [https://kbtestwikibase.wikibase.cloud/wiki/Property:P3 P3] must be formatted as '''http:'''//www.wikidata.org/'''entity'''/P31, and NOT as http'''s'''://www.wikidata.org/entity/P31, and NOT as <nowiki>https://www.wikidata.org/</nowiki>'''wiki/Property:'''P31, or any other mix of these incorrect URLs. This is important for correctly functioning, abbreviated display of these URLS in the Wikibase query service ([http://www.wikidata.org/entity/P31 wd:P31], as can be seen in the query result <nowiki>https://tinyurl.com/2kd5dthd</nowiki>).
* ISSUE: When adding statements to a Q-item such as [[Item:Q29|Theun de Vries]], ''by default the statements are (and remain) displayed in the same order as you originally added them''. This is different from Wikidata, where in the corresponding [https://www.wikidata.org/wiki/Q2143934 Wikidata item about Theun de Vries] the statements are displayed in a custom, fixed order, with "Instance of" and "Image" on top, and a list of external identifiers at the bottom of the page, irrespective of the exacty order these statements were originally added to this Wikidata item. This issue was solved by adding the page [[MediaWiki:Wikibase-SortedProperties]] to the Wikibase, in which the custom order of statements can be specified. This is the same as in Wikidata, see [https://www.wikidata.org/wiki/MediaWiki:Wikibase-SortedProperties MediaWiki:Wikibase-SortedProperties] and [https://www.mediawiki.org/wiki/Manual:Interface/Wikibase-SortedProperties the manual] on Wikidata. Please note that the required page cache purging needed for this functionality to kick in can be actively triggered via [[Special:Purge]].         
* ISSUE: When adding statements to a Q-item such as [[Item:Q29|Theun de Vries]], ''by default the statements are (and remain) displayed in the same order as you originally added them''. This is different from Wikidata, where in the corresponding [https://www.wikidata.org/wiki/Q2143934 Wikidata item about Theun de Vries] the statements are displayed in a custom, fixed order, with "Instance of" and "Image" on top, and a list of external identifiers at the bottom of the page, irrespective of the exacty order these statements were originally added to this Wikidata item. This issue was solved by adding the page [[MediaWiki:Wikibase-SortedProperties]] to the Wikibase, in which the custom order of statements can be specified. This is the same as in Wikidata, see [https://www.wikidata.org/wiki/MediaWiki:Wikibase-SortedProperties MediaWiki:Wikibase-SortedProperties] and [https://www.mediawiki.org/wiki/Manual:Interface/Wikibase-SortedProperties the manual] on Wikidata. Please note that the required page cache purging needed for this functionality to kick in can be actively triggered via [[Special:Purge]].         


;SPARQL and REST APIs ([https://commons.wikimedia.org/w/index.php?title=File:KB_Wikibase.cloud_Unboxing_Experience,_Netherlands_Wikibase_Knowlegde_Group,_22-07-2022.pdf&page=30 slide 30] - [https://commons.wikimedia.org/w/index.php?title=File:KB_Wikibase.cloud_Unboxing_Experience,_Netherlands_Wikibase_Knowlegde_Group,_22-07-2022.pdf&page=xx slide xx])  
;SPARQL and REST APIs ([https://commons.wikimedia.org/w/index.php?title=File:KB_Wikibase.cloud_Unboxing_Experience,_Netherlands_Wikibase_Knowlegde_Group,_22-07-2022.pdf&page=30 slide 30] - [https://commons.wikimedia.org/w/index.php?title=File:KB_Wikibase.cloud_Unboxing_Experience,_Netherlands_Wikibase_Knowlegde_Group,_22-07-2022.pdf&page=43 slide 43])  
* SPARQL examples on this Wikibase: https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples
* We created a small number of [[Project:SPARQL/examples|SPARQL query examples]] on this Wikibase.
* <sparql tryit="1">: https://kbtestwikibase.wikibase.cloud/w/index.php?title=Project:SPARQL/examples&action=submit
* ISSUE: ''the Wikidata [https://www.wikidata.org/wiki/Template:SPARQL SPARQL template] for query syntax highlighting is not implemented in this Wikibase''. Instead one must use a ''<nowiki><sparql tryit="1">...</sparql></nowiki>'' wrapper, as demonstrated [https://kbtestwikibase.wikibase.cloud/w/index.php?title=Project:SPARQL/examples&action=submit in this example]. 
* ISSUE: ''in Wikidata prefixes don't need to be specified explicitly in SPARQL queries''. However, in our Wikibase.cloud instance, prefixes must be explicitly stated, as [[Project:SPARQL/examples#Federated_querying:_mixing_data_from_this_Wikibase_with_data_from_Wikidata|this example]] shows. Please note and mind the distinction between PREFIX kbwdt, kbwd, wdt and  wd.
* IMPORTANT: The exact URL [https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples https://kbtestwikibase.wikibase.cloud/wiki/'''Project:SPARQL/examples'''], as well as the correct formatting of this page, are important to correctly display these query examples in the [https://kbtestwikibase.wikibase.cloud/query/# query services interface] (click the Examples button at the top)
 
 
* Federated query in Wikibase and Wikidata, mind the prefixes: https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples#Federated_querying:_mixing_data_from_this_Wikibase_with_data_from_Wikidata
* Federated query in Wikibase and Wikidata, mind the prefixes: https://kbtestwikibase.wikibase.cloud/wiki/Project:SPARQL/examples#Federated_querying:_mixing_data_from_this_Wikibase_with_data_from_Wikidata
* Theun de Vries on Wikibase: https://kbtestwikibase.wikibase.cloud/wiki/Item:Q29
* Theun de Vries on Wikibase: https://kbtestwikibase.wikibase.cloud/wiki/Item:Q29
OlafJanssen
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