my $ldf = RDF::LDF->new(url => $url);
if ($ldf->can_answer($pattern)) {
... do stuff ...
}
In the LDF protocol not all variables could be available for querying. The hydra:variable section in the LDF controls defined the mapping of requests parameters to LDF queries.
In the LDF protocol not all variables could be available for querying. The hydra:variable section in the LDF controls defined the mapping of requests parameters to LDF queries.