Ranking Human and Machine Summarization Systems Peter Rankel author John Conroy author Eric Slud author Dianne O’Leary author 2011-07 text Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing Regina Barzilay editor Mark Johnson editor Association for Computational Linguistics Edinburgh, Scotland, UK. conference publication rankel-etal-2011-ranking https://aclanthology.org/D11-1043/ 2011-07 467 473