Improving Embedding-based Unsupervised Keyphrase Extraction by Incorporating Structural Information Mingyang Song author Huafeng Liu author Yi Feng author Liping Jing author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication song-etal-2023-improving 10.18653/v1/2023.findings-acl.66 https://aclanthology.org/2023.findings-acl.66/ 2023-07 1041 1048