PositionRank: An Unsupervised Approach to Keyphrase Extraction from Scholarly Documents Corina Florescu author Cornelia Caragea author 2017-07 text Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Regina Barzilay editor Min-Yen Kan editor Association for Computational Linguistics Vancouver, Canada conference publication florescu-caragea-2017-positionrank 10.18653/v1/P17-1102 https://aclanthology.org/P17-1102/ 2017-07 1105 1115