Quality control queries: Difference between revisions

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== Missing instance statements ==
== Missing instance statements ==
# Return all items that are missing an "instance of" statement
Get a list of Item pages that lack an "instance of" declaration:
Get a list of Item pages that lack an "instance of" declaration:
<pre>
<pre>
# Return all items that are missing an "instance of" statement
prefix wbb: <http://wikiba.se/ontology-beta#>
prefix wb: <http://wikiba.se/ontology#>
SELECT ?label ?link
SELECT ?label ?link
WHERE
WHERE
{
{
  ?item rdfs:label ?label .
  ?item rdf:type ?wbitem ;
      rdfs:label ?label .  
FILTER(?wbitem in (wbb:Item, wb:Item))
  FILTER((LANG(?label)) = "en")
  FILTER((LANG(?label)) = "en")
  FILTER NOT EXISTS { ?item wdt:P8 ?type }
  FILTER NOT EXISTS { ?item wdt:P8 ?type }
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order by ?label
order by ?label
</pre>
</pre>
[http://172.17.10.220:8834/embed.html#SELECT%20%3Flabel%20%3Flink%0AWHERE%0A%7B%0A%20%3Fitem%20rdfs%3Alabel%20%3Flabel%20.%0A%20FILTER%28%28LANG%28%3Flabel%29%29%20%3D%20%22en%22%29%0A%20FILTER%20NOT%20EXISTS%20%7B%20%3Fitem%20wdt%3AP8%20%3Ftype%20%7D%0A%20BIND%28IRI%28CONCAT%28%27http%3A%2F%2F10.5.32.142%3A8181%2Fwiki%2FItem%3A%27%2C%20REPLACE%28%20str%28%3Fitem%29%20%2C%20%27http%3A%2F%2Fwikibase.svc%2Fentity%2F%27%2C%20%27%27%20%29%29%29%20AS%20%3Flink%20%29%0A%7D%0Aorder%20by%20%3Flabel Try it out!]
[http://172.17.10.220:8834/embed.html#prefix%20wbb%3A%20%3Chttp%3A%2F%2Fwikiba.se%2Fontology-beta%23%3E%20%0Aprefix%20wb%3A%20%3Chttp%3A%2F%2Fwikiba.se%2Fontology%23%3E%20%0A%0ASELECT%20%3Flabel%20%3Flink%0AWHERE%0A%7B%0A%20%3Fitem%20rdf%3Atype%20%3Fwbitem%20%3B%0A%20%20%20%20%20%20%20rdfs%3Alabel%20%3Flabel%20.%20%20%20%20%0A%20FILTER%28%3Fwbitem%20in%20%28wbb%3AItem%2C%20wb%3AItem%29%29%0A%20FILTER%28%28LANG%28%3Flabel%29%29%20%3D%20%22en%22%29%0A%20FILTER%20NOT%20EXISTS%20%7B%20%3Fitem%20wdt%3AP8%20%3Ftype%20%7D%0A%20BIND%28IRI%28CONCAT%28%27http%3A%2F%2F10.5.32.142%3A8181%2Fwiki%2FItem%3A%27%2C%20REPLACE%28%20str%28%3Fitem%29%20%2C%20%27http%3A%2F%2Fwikibase.svc%2Fentity%2F%27%2C%20%27%27%20%29%29%29%20AS%20%3Flink%20%29%0A%7D%0Aorder%20by%20%3Flabel Try it out!]


== Places without a Wikidata identifier (also check if they are really places) ==
== Places without a Wikidata identifier (also check if they are really places) ==

Revision as of 15:04, 9 December 2020


Missing instance statements

Get a list of Item pages that lack an "instance of" declaration:

# Return all items that are missing an "instance of" statement
prefix wbb: <http://wikiba.se/ontology-beta#> 
prefix wb: <http://wikiba.se/ontology#> 

SELECT ?label ?link
WHERE
{
 ?item rdf:type ?wbitem ;
       rdfs:label ?label .    
 FILTER(?wbitem in (wbb:Item, wb:Item))
 FILTER((LANG(?label)) = "en")
 FILTER NOT EXISTS { ?item wdt:P8 ?type }
 BIND(IRI(CONCAT('http://172.17.10.220/wiki/Item:', REPLACE( str(?item) , 'http://wikibase.svc/entity/', '' ))) AS ?link )
}
order by ?label

Try it out!

Places without a Wikidata identifier (also check if they are really places)

# Return all places that lack a Wikidata identifier. 
SELECT ?label ?link
WHERE
{
 ?item wdt:P8 wd:Q10 ; rdfs:label ?label .
 FILTER NOT EXISTS { ?item wdt:P107 ?id } .
 BIND(IRI(CONCAT('http://172.17.10.220/wiki/Item:', REPLACE( str(?item) , 'http://wikibase.svc/entity/', '' ))) AS ?link )
 
}
order by ?label

Try it out!