User:Rc1959/InformaticsQueriesMiddleware
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Try it!
Try it!
Try it!
Try it!
Try it!
Try it!
Try it!
Try it!
Try it!
Two instances:
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P31* wd:Q6821796 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P31* wd:Q1092177 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P4428* wd:Q379626 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
Finding instance of (P31) cloud storage (Q914359)
[edit]Many different instances:
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P31* wd:Q914359 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
All sort of things: Radio, fax etc..., but not specifically related to software. All sort of stuff: Radio, fax etc...
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P279* wd:Q146923 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
Many different instances:
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P361* wd:Q1092177 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
Many different instances:
SELECT DISTINCT ?subsubject ?subsubjectLabel ?subject ?subjectLabel WHERE {
?subject wdt:P361* wd:Q1092177 .
?subsubject wdt:P31* ?subject .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subsubjectLabel
Subobjects and subclasses. How to return only the subobjects and not the intermediary nodes?
SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject wdt:P31*/wdt:P279* wd:Q1092177 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
Note: Why Wikidata does not reuse rdf:type and rdfs:subClassOf ?
[edit]SELECT DISTINCT ?subject ?subjectLabel WHERE {
?subject rdf:type/rdfs:subClassOf* wd:Q1092177 .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
order by ?subjectLabel
This returns nothing.