Zhuozhao Li, Ryan Chard, Yadu N. Babuji, Ben Galewsky, Tyler J. Skluzacek, Kirill Nagaitsev, Anna Woodard, Ben Blaiszik, Josh Bryan, Daniel S. Katz, Ian T. Foster, Kyle Chard. $f$funcX: Federated Function as a Service for Science. IEEE Trans. Parallel Distrib. Syst., 33(12):4948-4963, 2022. [doi]