Man pages matching name rdf::trine::store::ldf in section 3pm:

RDF::Trine::Store::LDF.3pm.en	debian 10 / librdf-ldf-perl
RDF::Trine::Store::LDF.3pm.en	debian 11 / librdf-ldf-perl
RDF::Trine::Store::LDF.3pm.en	debian 12 / librdf-ldf-perl