Improving ROUGE for Timeline Summarization Sebastian Martschat author Katja Markert author 2017-04 text Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Mirella Lapata editor Phil Blunsom editor Alexander Koller editor Association for Computational Linguistics Valencia, Spain conference publication martschat-markert-2017-improving https://aclanthology.org/E17-2046/ 2017-04 285 290