Re: Storing & using feature vectors

2018-10-22 Thread Ken Krugler
Hi Doug, Many thanks for the tons of useful information! Some comments/questions inline below. — Ken > On Oct 19, 2018, at 10:46 AM, Doug Turnbull > wrote: > > This is a pretty big hole in Lucene-based search right now that many > practitioners have struggled with > > I know a couple of peo

Re: Storing & using feature vectors

2018-10-19 Thread Doug Turnbull
This is a pretty big hole in Lucene-based search right now that many practitioners have struggled with I know a couple of people who have worked on solutions. And I've used a couple of hacks: - You can hack together something that does cosine similarity using the term frequency & query boosts Del

Storing & using feature vectors

2018-10-19 Thread Ken Krugler
Hi all, [I posted on the Lucene list two days ago, but didn’t see any response - checking here for completeness] I’ve been looking at directly storing feature vectors and providing scoring/filtering support. This is for vectors consisting of (typically 300 - 2048) floats or doubles. It’s fol