On 06/19/2015 08:34 PM, Philip Bennefall wrote: > Hi all, > > While reading through the draft documentation for FTS5, I noticed the > following in section 4.1.1: > > "The built-in auxiliary function bm25() returns a real value > indicating how well the current row matches the full-text query. The > better the match, the > larger the value returned." > > Then, a little further down it says: > > "In order to avoid this pitfall, the FTS5 implementation of BM25 > multiplies the result by -1 before returning it, ensuring that better > matches are assigned > numerically lower scores." > > Is this a mistake, or did I misunderstand something?
It's a mistake. Should be "The better the match, the numerically lower the value returned" or similar. Thanks for pointing this out. Dan.
