TS = (
ttl => 'Turtle',
nt => 'NTriples',
n3 => 'Notation3',
json => 'RDFJSON',
rdfxml => 'RDFXML'
);
has base_dir => (
is => 'ro', required => 1,
isa =>
zation format (See L<Plack::Middleware::Negotiate>). Supported
values are C<ttl>, C<nt>, C<n3>, C<json>, and C<rdfxml>.
=back
If an existing resource does not contain triples, the axiomatic triple
C