I have a document signature indexed (the top 60 most significant terms in
the document) in an ES index, along with a document ID. I would like to
retrieve documents that match at least 3 words in a query string, in the
document signature field. Is it possible to limit search results that
satisfy this condition (or at least 3 words matching). and if possible sort
the results with the most matches ranking higher.
The field is a straightforward String field so a text match would work, But
it would also return documents that have 1 word in common.(I only want
documents that have at least 3 words in common).
Thanks for the assist.
Ramdev
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