76 lines
1.3 KiB
Go
76 lines
1.3 KiB
Go
package graph_queries
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"visualizador_instanciados/backend_go/queryscope"
|
|
)
|
|
|
|
func defaultEdgeQuery(limit int, offset int, includeBNodes bool) string {
|
|
bnodeFilter := ""
|
|
if !includeBNodes {
|
|
bnodeFilter = "FILTER(!isBlank(?s) && !isBlank(?o))"
|
|
}
|
|
|
|
pattern := queryscope.NamedGraph(`
|
|
{
|
|
VALUES ?p { rdf:type }
|
|
?s ?p ?o .
|
|
}
|
|
UNION
|
|
{
|
|
VALUES ?p { rdfs:subClassOf }
|
|
?s ?p ?o .
|
|
}
|
|
`)
|
|
|
|
return fmt.Sprintf(`
|
|
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
|
|
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
|
|
PREFIX owl: <http://www.w3.org/2002/07/owl#>
|
|
|
|
SELECT DISTINCT ?s ?p ?o
|
|
WHERE {
|
|
%s
|
|
FILTER(!isLiteral(?o))
|
|
%s
|
|
}
|
|
ORDER BY ?s ?p ?o
|
|
LIMIT %d
|
|
OFFSET %d
|
|
`, pattern, bnodeFilter, limit, offset)
|
|
}
|
|
|
|
func defaultPredicateQuery(includeBNodes bool) string {
|
|
bnodeFilter := ""
|
|
if !includeBNodes {
|
|
bnodeFilter = "FILTER(!isBlank(?s) && !isBlank(?o))"
|
|
}
|
|
|
|
pattern := queryscope.NamedGraph(`
|
|
{
|
|
VALUES ?p { rdf:type }
|
|
?s ?p ?o .
|
|
}
|
|
UNION
|
|
{
|
|
VALUES ?p { rdfs:subClassOf }
|
|
?s ?p ?o .
|
|
}
|
|
`)
|
|
|
|
return fmt.Sprintf(`
|
|
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
|
|
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
|
|
PREFIX owl: <http://www.w3.org/2002/07/owl#>
|
|
|
|
SELECT DISTINCT ?p
|
|
WHERE {
|
|
%s
|
|
FILTER(!isLiteral(?o))
|
|
%s
|
|
}
|
|
ORDER BY ?p
|
|
`, pattern, bnodeFilter)
|
|
}
|