I am also interested in this question. I have found a fairly old code snippet [1] to calculate the cosine similarity in lucene, but I was wondering if elasticsearch provided an easier API to access this information.
[1] http://sujitpal.blogspot.ch/2011/10/computing-document-similarity-using.html Hi, > > I'm using elasticsearch to index documents and then, with an other > document, > I score similarity using the "more_like_this" query. > Just two questions: > > Does the "more_like_this" query use cosine similarity to score documents > (I've read the documentation, but I'm still not sure)? > There is a way to get the scores between 0 and 1? > > Thanks! > > > > -- > View this message in context: > http://elasticsearch-users.115913.n3.nabble.com/Cosine-Similarity-ElasticSearch-tp4060620.html > > Sent from the ElasticSearch Users mailing list archive at Nabble.com. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/6a2e446d-ec13-4db6-8cff-651ab5108235%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
