@article {liu2020sf,
	title = {SF-Sketch: A Two-Stage Sketch for Data Streams},
	journal = {IEEE Transactions on Parallel and Distributed Systems},
	volume = {31},
	number = {10},
	year = {2020},
	pages = {2263{\textendash}2276},
	publisher = {IEEE},
	author = {Liu, Lingtong and Shen, Yulong and Yan, Yibo and Tong Yang and Shahzad, Muhammad and Cui, Bin and Xie, Gaogang}
}
