KEYWORDSadaptive bit rate streaming (ABR), breakpoint detection (BPD), boosting gradient regression (GBR), controlled-laboratory, mean opinion score (MOS), machine learning (ML), quality of experience (QoE), reinforcement learning, QoE assessment, streaming video Abbreviations: ABR, adaptive bit rate streaming; BPD, breakpoint detection; GBR, boosting gradient regression; ML, machine learning; MOS, mean opinion score; QoE, quality of experience; RL, reinforcement learning.Int J Commun Syst. 2020;33:e4204.wileyonlinelibrary.com/journal/dac