Usage: rdfgraphisomorphism [options] file1 file2 ... fileN

Options:
  -h, --help           show this help message and exit
  -s, --stdin          Load from STDIN as well
  --format=RDF_FORMAT  The format of the RDF document(s) to compareOne of 'xml','n3','trix', 'nt',
                       or 'rdfa'.  The default is xml