SELECT * WHERE {
GRAPH ?g {
?x a :Person .
?x :homepage <http://www.cs.vu.nl/~guus/> .
?x :name ?n .
}
GRAPH <mailto:danbri@danbri.org> {
<#homepageExperts> :member ?g .
}
# the mailto@danbri.org graph could contain for eg:
# <#homepageExperts> :member <mailto:pathayes@example.com> .
# <#homepageExperts> :member <mailto:cygri@example.net> .
#
# SPARQL is ok with this?