Man pages matching name plack::app::rdf::linkeddata in section 3pm:

Plack::App::RDF::LinkedData.3pm.en	debian 10 / librdf-linkeddata-perl
Plack::App::RDF::LinkedData.3pm.en	debian 11 / librdf-linkeddata-perl
Plack::App::RDF::LinkedData.3pm.en	debian 12 / librdf-linkeddata-perl