@article{202407.2384,
	doi = {10.20944/preprints202407.2384.v1},
	url = {https://doi.org/10.20944/preprints202407.2384.v1},
	year = 2024,
	month = {July},
	publisher = {Preprints},
	author = {Meng He and Yunli Bai and Dongye Wei},
	title = {CJE-PCHF: Chinese Joint Entity and Relation Extraction Model based on Progressive Contrastive Learning and Heterogeneous Feature Fusion},
	journal = {Preprints}
}