On Thu, Oct 20, 2011 at 3:11 PM, David Ryan <help...@gmail.com> wrote:
> > However, in some case, when I search o'reilly , I see > > * 44.0865 = idf(title: o''reilli=4 o=1488 reilli=14 oreilli=4)* > > In this cae, How is IDF calculated? > thats a phrase or multiphrase query. in this case it sums up the idf of each term: http://lucene.apache.org/java/3_4_0/api/all/org/apache/lucene/search/Similarity.html#idfExplain(java.util.Collection, org.apache.lucene.search.Searcher) -- lucidimagination.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
