[D] Why do juniors (undergraduates or first- to second-year PhD students) have so many papers at major machine learning conferences like ICML, ICLR, NeurIPS, etc.?

Hello everyone, today the ICML results are out, congratulations to all those who have papers accepted here. I'm not an academic myself, but sometimes I read papers at these conferences for work, and it's really interesting. I just have a question: why do juniors have so many papers at these conferences? I thought this was something you would have to learn throughout your 5 years of PhD and almost only achieve in the final years of your PhD. Furthermore, I've …

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