SGRank: Combining Statistical and Graphical Methods to Improve the State of the Art in Unsupervised Keyphrase Extraction Soheil Danesh author Tamara Sumner author James H Martin author 2015-06 text Proceedings of the Fourth Joint Conference on Lexical and Computational Semantics Martha Palmer editor Gemma Boleda editor Paolo Rosso editor Association for Computational Linguistics Denver, Colorado conference publication danesh-etal-2015-sgrank 10.18653/v1/S15-1013 https://aclanthology.org/S15-1013/ 2015-06 117 126