docs: def load_times(self, **kwargs):
          """ get the load times for the all of the definition files"""
          log.setLevel(kwargs.get("log_level", self.log_level))
          conn = self.__get_conn__(**kwargs)
          try:
              result = conn.query("""
                      SELECT ?file ?time
                      {
                          graph kdr:load_times {?s ?p ?time} .
                          bind(REPLACE(str(?s),
                              "http://knowledgelinks.io/ns/data-resources/",
                              "")
                               as ?file)
                      }""", **kwargs)
              loaded = {item['file']['value']: XsdDatetime(item['time']['value'])
                        for item in result}
              self.loaded = list(loaded)
              self.loaded_times = loaded
              log.setLevel(self.log_level)
              return loaded
          except requests.exceptions.ConnectionError:
              log.warning("connection error with '%s'", conn)
              log.setLevel(self.log_level)
              self.loaded = []
              return {}