Because of that, the experimental evaluation remains vague as well, as the criteria are tested on one data set by visual inspection	['non', 'non', 'non', 'non', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con', 'con']	paper quality