Meta-evaluation of Summaries in a Cross-lingual Environment using Content-based Metrics Horacio Saggion author Dragomir Radev author Simone Teufel author Wai Lam author 2002 text COLING 2002: The 19th International Conference on Computational Linguistics conference publication saggion-etal-2002-meta https://aclanthology.org/C02-1073/ 2002