Utilizing BERT Intermediate Layers for Unsupervised Keyphrase Extraction Mingyang Song author Yi Feng author Liping Jing author 2022-12 text Proceedings of the 5th International Conference on Natural Language and Speech Processing (ICNLSP 2022) Mourad Abbas editor Abed Alhakim Freihat editor Association for Computational Linguistics Trento, Italy conference publication song-etal-2022-utilizing https://aclanthology.org/2022.icnlsp-1.32/ 2022-12 277 281