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42274d4ccd1b499f67044fd10663cba4ee665673
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.
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static
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tutorials
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sparql_data
/
q-union3.rq
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PREFIX foaf
:
<
http
:
//xmlns.com/foaf/0.1/>
PREFIX vCard
:
<
http
:
//www.w3.org/2001/vcard-rdf/3.0#>
SELECT
?
name1
?
name2
WHERE
{
?
x a foaf
:
Person
OPTIONAL
{
?
x foaf
:
name
?
name1
}
OPTIONAL
{
?
x vCard
:
FN
?
name2
}
}