TopicRank: Graph-Based Topic Ranking for Keyphrase Extraction Adrien Bougouin author Florian Boudin author Béatrice Daille author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication bougouin-etal-2013-topicrank https://aclanthology.org/I13-1062/ 2013-10 543 551