BUAP: An Unsupervised Approach to Automatic Keyphrase Extraction from Scientific Articles Roberto Ortiz author David Pinto author Mireya Tovar author Héctor Jiménez-Salazar author 2010-07 text Proceedings of the 5th International Workshop on Semantic Evaluation Katrin Erk editor Carlo Strapparava editor Association for Computational Linguistics Uppsala, Sweden conference publication ortiz-etal-2010-buap https://aclanthology.org/S10-1037/ 2010-07 174 177