Document comparison / similarity using Whoosh Python Search Library

Question

How do I get a similarity measure of a document using Whoosh?

I want to create a "Related" feature that ranks other previously indexed documents that have a high similarity to a document.

Do I input the document as a long query string? Do I add the document to the index and extract a similarity query result somehow from there?

Thanks

score 2 · Accepted Answer · edited May 28 '23 at 12:28

The Whoosh searcher class has a method called 'more_like()'.

It allows you to compare and indexed document to other indexed documents and returns a list of documents similar to the given document.

And the class whoosh.searching.Hit can give a rank and a score.

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