code: function(req, res, next) {
          var initialTime = 0,
              receivedReqTime = new Date().getTime();
  
          req.requestDelay =  receivedReqTime - initialTime;
          var url = req.body.url;
  
          request.get(url, function (error, response, body) {
              if (!error && response.statusCode == 200) {
                  req.rawOntology = body.toString().replace(/(&)([a-z0-9]+)(;)/gi, '$2:');
                  next();
              }
          });
      }
docs: External OWL File content to text
  @param req
  @param res
  @param next