For those interested in practical applications research in this area, there is the Big-ANN competition running as part of NeurIPS this year: https://big-ann-ben

For those interested in practical applications research in this area, there is the Big-ANN competition running as part of NeurIPS this year: https://big-ann-benchmarks.com/ https://big-ann-benchmarks.com/ I'm part of a team working on the competition in my spare time and it's a really fascinating problem space!