Project:SPARQL/examples: Difference between revisions

Project:SPARQL/examples (view source)

137 bytes added , 8 months ago

m

579

edits

@@ Line 1,053: / Line 1,053: @@
 <sparql tryit="1">
+# a union query to fetch stuff for multiple properties, in this case dates recorded in EDTF which need slightly different handling from PIT dates
 PREFIX bnwd: <https://beyond-notability.wikibase.cloud/entity/>
@@ Line 1,067: / Line 1,068: @@
         FILTER NOT EXISTS { ?person bnwdt:P4 bnwd:Q12 . }
-          ## short form of UNION using |
+    ## short form of UNION using |
         ?person ( bnwdt:P131 | bnwdt:P132 | bnwdt:P133  ) ?date_edtf .
@@ Line 1,073: / Line 1,074: @@
 ## {?person bnwdt:P131 ?date_edtf } union {?person bnwdt:P132 ?date_edtf } union {?person bnwdt:P133 ?date_edtf }
-         ## need to know what kind of date it is
+    ## we'll need to know what kind of date it is
-       ?person ?date_type ?date_edtf .
+     ?person ?date_type ?date_edtf .
-         ## this filter is important for edtf dates! https://github.com/ProfessionalWiki/WikibaseEdtf
+    ## this filter is important for edtf dates!
-       FILTER ( datatype(?date_edtf) = xsd:edtf  ) .
+    ## https://github.com/ProfessionalWiki/WikibaseEdtf
+    FILTER ( datatype(?date_edtf) = xsd:edtf  ) .
-       SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE], en, en-gb". }
+    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE], en, en-gb". }
       }