Such a statement may describe the essence of simplification as a research task, but it hides the fact that it is not always easy to decide what is easy for a particular user.
finally, the sessions table stores each simplification request issued to the backend with a unique session ID, the respective user ID, a time stamp for the session start and one for the submission of feedback, the webpage URL, simplification objects serialized as JSON, the provided rating and finally the frontend version number used in this session.