Evaluating Multiple System Summary Lengths: A Case Study Ori Shapira author David Gabay author Hadar Ronen author Judit Bar-Ilan author Yael Amsterdamer author Ani Nenkova author Ido Dagan author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication shapira-etal-2018-evaluating 10.18653/v1/D18-1087 https://aclanthology.org/D18-1087/ 2018-oct-nov 774 778