In elasticsearch there is a more-like-tis query [0], that returns similar documents for a fulltext, next to a couple of optimizations that they might use. [0]

In elasticsearch there is a more-like-tis query [0], that returns similar documents for a fulltext, next to a couple of optimizations that they might use. [0] https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-mlt-query.html https://www.elastic.co/guide/en/elasticsearch/reference/curr...