Evaluation Challenges in Large-Scale Document Summarization Dragomir R Radev author Simone Teufel author Horacio Saggion author Wai Lam author John Blitzer author Hong Qi author Arda Çelebi author Danyu Liu author Elliott Drabek author 2003-07 text Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Sapporo, Japan conference publication radev-etal-2003-evaluation 10.3115/1075096.1075144 https://aclanthology.org/P03-1048/ 2003-07 375 382