code: private static String getOrGenerateOperationLabel(QuerySolution row) {
          String result;
          String svcLabel = getOrGenerateServiceLabel(row);
          String opLabel = getOperationLabel(row);
          if (opLabel == null) {
              URL opUrl = getOperationUrl(row);
              result = URIUtil.generateItemLabel(svcLabel, opUrl);
          } else {
              result = svcLabel + "." + opLabel;
          }
          return result;
      }
docs: Obtain or generate a label for an operation.
  
  TODO: Deal better with WSDL naming convention
  
  @param row the result from a SPARQL query
  @return