XTREME-UP: A User-Centric Scarce-Data Benchmark for Under-Represented Languages. - Sebastian Ruder; Jonathan H. Clark; Alexander Gutkin; Mihir Kale; Min Ma; Massimo Nicosia; Shruti Rijhwani; Parker Riley; Jean Michel A. Sarr; Xinyi Wang 001; John Wieting; Nitish Gupta; et al. (EMNLP (Findings), 2023)