Automatically Creating General-Purpose Opinion Summaries from Text Veselin Stoyanov author Claire Cardie author 2011-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing 2011 Ruslan Mitkov editor Galia Angelova editor Association for Computational Linguistics Hissar, Bulgaria conference publication stoyanov-cardie-2011-automatically https://aclanthology.org/R11-1028/ 2011-09 202 209