Comment by reerdna

Cool, but I find rather than just shapes and indexes, tensors with labels are much easier to use and reason about. E.g.:

  {
      {user:bob, movie:"Heat"}:0.1,
      {user:alice, movie:"Frozen"}:0.9,
      {user:carol, movie:"Top Gun"}:0.3,
  }

https://docs.vespa.ai/en/ranking/tensor-user-guide.html