@article {3679,
	title = {Efficiently Teaching an Effective Dense Retriever With Balanced Topic Aware Sampling},
	journal = {ArXiv},
	volume = {abs/2104.06967},
	year = {2021},
	url = {https://arxiv.org/abs/2104.06967},
	author = {Sebastian Hofst{\"a}tter and Sheng-Chieh Lin and Jheng-Hong Yang and Jimmy Lin and Allan Hanbury}
}
