@article {5201,
	title = {Multi-Stage Conversational Passage Retrieval: An Approach to Fusing Term Importance Estimation and Neural Query Rewriting},
	journal = {ACM Transactions on Information Systems (TOIS)},
	volume = {39},
	year = {2021},
	pages = {48:1--48:29},
	doi = {10.1145/3446426},
	author = {Sheng-Chieh Lin and Jheng-Hong Yang and Rodrigo Nogueira and Ming-Feng Tsai and Chuan-Ju Wang and Jimmy Lin}
}
