<!-- BF-V expands all links, even to instances but not other works -->
<present type="BF-V">
CONSTRUCT {
- %u ?rel ?wobj1 .
- ?wobj1 ?wrel1 ?wobj2 .
- ?wobj2 ?wrel2 ?wobj3 .
+ %u ?wrel1 ?wobj1 .
+ ?wobj1 ?wrel2 ?wobj2 .
+ ?wobj2 ?wrel3 ?wobj3 .
?inst ?irel1 ?iobj1 .
?iobj1 ?irel2 ?iobj2 .
?iobj2 ?irel3 ?iobj3
}
WHERE {
%u a bf:Work .
- %u ?rel ?wobj1 .
+ %u ?wrel1 ?wobj1 .
OPTIONAL {
?wobj1 ?wrel2 ?wobj2