Anton V.
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Knowledge graphs and Semantic Web
SPARQL Parse Tree Viewer

SPARQL Parse Tree Viewer

SPARQL query

PREFIX ex: <http://example.org/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>

SELECT ?person ?movie
WHERE {
  ex:Alice foaf:knows ?person .
  ?person ex:watched ?movie .
}1
PREFIX ex: <http://example.org/>
2
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
3
PREFIX wd: <http://www.wikidata.org/entity/>
4
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
5

6
SELECT ?person ?movie
7
WHERE {
8
  ex:Alice foaf:knows ?person .
9
  ?person ex:watched ?movie .
10
}

Parse tree

R
query:Query
R
prologue:Prologue
R
prefixDecl:PrefixDecl
T
"PREFIX"
T
PNAME_NS:"ex:"
T
IRIREF:"<http://example.org/>"
R
prefixDecl:PrefixDecl
T
"PREFIX"
T
PNAME_NS:"foaf:"
T
IRIREF:"<http://xmlns.com/foaf/0.1/>"
R
prefixDecl:PrefixDecl
T
"PREFIX"
T
PNAME_NS:"wd:"
T
IRIREF:"<http://www.wikidata.org/entity/>"
R
prefixDecl:PrefixDecl
T
"PREFIX"
T
PNAME_NS:"wdt:"
T
IRIREF:"<http://www.wikidata.org/prop/direct/>"
R
selectQuery:SelectQuery
R
selectClause:SelectClause
T
"SELECT"
R
var:Var
T
VAR1:"?person"
R
var:Var
T
VAR1:"?movie"
R
whereClause:WhereClause
T
"WHERE"
R
groupGraphPattern:GroupGraphPattern
T
"{"
R
groupGraphPatternSub:GroupGraphPatternSub
R
triplesBlock:TriplesBlock
R
triplesSameSubjectPath:TriplesSameSubjectPath
R
varOrTerm:VarOrTerm
R
graphTerm:GraphTerm
R
iri:Iri
R
prefixedName:PrefixedName
T
PNAME_LN:"ex:Alice"
R
propertyListPathNotEmpty:PropertyListPathNotEmpty
R
verbPath:VerbPath
R
path:Path
R
pathAlternative:PathAlternative
R
pathSequence:PathSequence
R
pathEltOrInverse:PathEltOrInverse
R
pathElt:PathElt
R
pathPrimary:PathPrimary
R
iri:Iri
R
prefixedName:PrefixedName
T
PNAME_LN:"foaf:knows"
R
objectListPath:ObjectListPath
R
objectPath:ObjectPath
R
graphNodePath:GraphNodePath
R
varOrTerm:VarOrTerm
R
var:Var
T
VAR1:"?person"
T
"."
R
triplesBlock:TriplesBlock
R
triplesSameSubjectPath:TriplesSameSubjectPath
R
varOrTerm:VarOrTerm
R
var:Var
T
VAR1:"?person"
R
propertyListPathNotEmpty:PropertyListPathNotEmpty
R
verbPath:VerbPath
R
path:Path
R
pathAlternative:PathAlternative
R
pathSequence:PathSequence
R
pathEltOrInverse:PathEltOrInverse
R
pathElt:PathElt
R
pathPrimary:PathPrimary
R
iri:Iri
R
prefixedName:PrefixedName
T
PNAME_LN:"ex:watched"
R
objectListPath:ObjectListPath
R
objectPath:ObjectPath
R
graphNodePath:GraphNodePath
R
varOrTerm:VarOrTerm
R
var:Var
T
VAR1:"?movie"
T
"."
T
"}"
R
solutionModifier:SolutionModifier
R
valuesClause:ValuesClause

SPARQL Parse Tree Viewer

See also