3 ms·

here - https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-similarity.html https://www.elastic.co/guide/en/elasticsearch/reference/cur

here - https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-similarity.html https://www.elastic.co/guide/en/elasticsearch/reference/curr... similarity/relevance is the mathematical difference between search and database query. Its an inexact match.

pauloxnet 9y ago
Thanks. I'll read it.
- burntsushi 9y ago
  If you want to reason about these things from first principles, then I recommend the IR book, which is free online: https://nlp.stanford.edu/IR-book/ https://nlp.stanford.edu/IR-book/