Check out work by Jialin Ding and Vikram Nathan, they both work on multi-dimensional learned index structures. https://arxiv.org/pdf/2006.13282.pdf https://arx

Check out work by Jialin Ding and Vikram Nathan, they both work on multi-dimensional learned index structures. https://arxiv.org/pdf/2006.13282.pdf https://arxiv.org/pdf/2006.13282.pdf