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DAWG
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Misc
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dawg-query-001.rq
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# Get name, and optionally the mbox, of each person
PREFIX foaf
:
<
http
:
//xmlns.com/foaf/0.1/>
SELECT
?
name
?
mbox
WHERE
{
?
person foaf
:
name
?
name
.
OPTIONAL
{
?
person foaf
:
mbox
?
mbox
}
}