On Fri, Mar 12, 2010 at 11:01 AM, Ivan Provalov <iprov...@yahoo.com> wrote: > Just to follow up on our previous discussion, here are a few runs in which we > have tested some of the Lucene different scoring mechanisms and other > options. We used Lucene's patches for LnbLtcSimilarity and BM25 and contrib > module for the SweetSpotSimilarity. > > Lucene Default: 0.149 > Lucene BM25: 0.168 > SweetSpotSimilarity (Min: 10; Max: 1000; Steepness: 0.2): 0.173 > LnbLtcSimilarity (Pivot Norm + TF Default; Avg # of Terms: 450; slope: 0.25): > 0.184 > LnbLtcSimilarity (Pivot Norm + TF Log; Avg # of Terms: 450; slope: 0.25): > 0.186 > Lucene With Stemmer: 0.202 > Lucene With Lexical Affinities + Phrase Expansion + Stemmer: 0.21
Ivan, thanks for reporting back. Its more evidence that its worth our trouble to support additional scoring models. -- Robert Muir rcm...@gmail.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
