Mitigating Over-Generation for Unsupervised Keyphrase Extraction with Heterogeneous Centrality Detection Mingyang Song author Pengyu Xu author Yi Feng author Huafeng Liu author Liping Jing author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication song-etal-2023-mitigating 10.18653/v1/2023.emnlp-main.1017 https://aclanthology.org/2023.emnlp-main.1017/ 2023-12 16349 16359