> and only later were recognized as solving essentially the same problem. [7] "Hard problems that reduce to document ranking" https://news.ycombinator.com/item

> and only later were recognized as solving essentially the same problem. [7] "Hard problems that reduce to document ranking" https://news.ycombinator.com/item?id=43174910#43175540 https://news.ycombinator.com/item?id=43174910#43175540 Ctrl-F "zoo" https://westurner.github.io/hnlog/#comment-36839925 https://westurner.github.io/hnlog/#comment-36839925 #:~:text=zoo : > Complexity Zoo, Quantum Algorithm Zoo, Neural Network Zoo