Before revision:  Exper-imental results demonstrate that the headlinegeneration model trained on filtered supervi-sion data shows no clear difference in ROUGEscores but remarkable improvements in auto-matic and manual evaluations of the generatedheadlines .
After revision:  Exper-imental results demonstrate that the headline generation model trained on filtered supervi-sion data shows no clear difference in ROUGEscores but remarkable improvements in auto-matic and manual evaluations of the generatedheadlines .