...
| Code Block |
|---|
| title | Count information resources without labels |
|---|
|
SELECT (COUNT(DISTINCT ?s) AS ?count)
WHERE {
?s rdf:type vivo:InformationResource .
OPTIONAL {?s rdfs:label ?label .}
FILTER(!bound(?label))
} |
Using a nested query to get multiple counts
The above queries can be combined in a single query which returns multiple counts.
| Code Block |
|---|
| title | Using a nested query to get multiple counts |
|---|
|
SELECT ?count_agents ?count_information_resources
WHERE {
{
SELECT (COUNT(DISTINCT ?s) AS ?count_agents)
WHERE {
?s rdf:type foaf:Agent .
OPTIONAL {?s rdfs:label ?label .}
FILTER(!bound(?label))
}
}
{
SELECT (COUNT(DISTINCT ?s) AS ?count_information_resources)
WHERE {
?s rdf:type vivo:InformationResource .
OPTIONAL {?s rdfs:label ?label .}
FILTER(!bound(?label))
}
}
} |