docs: def parse_owl_xml(url):
      """Downloads and parses an OWL resource in OWL/XML format using the :class:`OWLParser`.
  
      :param str url: The URL to the OWL resource
      :return: A directional graph representing the OWL document's hierarchy
      :rtype: networkx.DiGraph
      """
      res = download(url)
      owl = OWLParser(content=res.content)
      return owl