相似度系列9: unify USR: An Unsupervised and Reference Free Evaluation Metric for Dialog Generation
USR:AnUnsupervisedandReferenceFreeEvaluationMetricforDialogGeneration模型特点:multiplemodelvariantsresponse,r,conditionedondialogcontext,c,andfact,f.TheinputtothetransformeristheconcatenationofcandfDiffer