Errors

use_warnings
RDF::RDB2RDF, RDF::RDB2RDF::DatatypeMapper, RDF::RDB2RDF::DirectMapping, RDF::RDB2RDF::DirectMapping::Store, RDF::RDB2RDF::DirectMapping::Store::Mixin::SuperGetPattern, RDF::RDB2RDF::R2RML, RDF::RDB2RDF::Simple, URI::Escape::Optimistic
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Fri 20 Sep 2013 11:16:44 PM JST
gpg:                using DSA key CEBF81286A2A7D39
gpg: Can't check signature: No public key