Project:SPARQL/examples: Difference between revisions

Project:SPARQL/examples (view source)

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 ORDER BY ?itemLabel
+</sparql>
+===All uses of <unknown value>===
+<sparql tryit="1">
+# Query to look for uses of <unknown value>
+PREFIX bnwd: <https://beyond-notability.wikibase.cloud/entity/>
+PREFIX bnwds: <https://beyond-notability.wikibase.cloud/entity/statement/>
+PREFIX bnwdv: <https://beyond-notability.wikibase.cloud/value/>
+PREFIX bnwdt: <https://beyond-notability.wikibase.cloud/prop/direct/>
+PREFIX bnp: <https://beyond-notability.wikibase.cloud/prop/>
+PREFIX bnps: <https://beyond-notability.wikibase.cloud/prop/statement/>
+PREFIX bnpq: <https://beyond-notability.wikibase.cloud/prop/qualifier/>
+SELECT distinct  ?name  ?unknown_value_for ?type ?item
+WHERE
+{
+	?item ?p ?s.
+   FILTER isBLANK(?s) . # get ?s that are <unknown value>
+   ?item rdfs:label ?name. filter(lang(?name)= "en-gb") .
+    ?prop wikibase:directClaim ?p.
+    ?prop wikibase:propertyType ?type.
+    ?prop rdfs:label ?unknown_value_for. filter(lang(?unknown_value_for)= "en-gb") .
+}
+order by ?unknown_value_for ?name
 </sparql>