On Tue, Apr 7, 2009 at 3:08 AM, Jinming Zhang <spee.zh...@gmail.com> wrote: > Hi, > > I have the following situation which needs to customize the final score > according to field value. > > Suppose there are two docs in my query result, and they are ordered by > default score sort: > > doc1(field1:bookA, field2:2000-01-01) -- score:0.80 > doc2(field1:bookB, filed2:2009-01-01) -- score:0.70 > > I want "doc2" to have a higher score since it's publishing date is more > recent, while "doc1" to have a lower score: > > doc2(field1:bookB, filed2:2009-01-01) -- score:0.77 > doc1(field1:bookA, field2:2000-01-01) -- score:0.73 > > I found this scenario is different from doc.setBoost() and field.setBoost(). > Is there any way to impact the score calculated for "doc1" & "doc2" > according to the value of "field2"? > > Thank you in advance!
If you have access to the MEAP for Lucine In Action 2nd Edition, it demonstrates using a CustomScoreQuery[1] for to boost a docs score based on recency. --tim [1] - http://lucene.apache.org/java/2_4_0/api/org/apache/lucene/search/function/CustomScoreQuery.html --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
