Re: Repeatability of results

2012-04-04 Thread Chris Hostetter
: OK this could make sense (floating point math is frustrating!). : : But, Lucene generally scores one document at a time, so in theory just : changing its docid shouldn't alter the order of float operations. i haven't thought this through, but couldn't scorer re-ordering in BooleanScorer2 poss

Re: Repeatability of results

2012-04-04 Thread Marvin Humphrey
On Wed, Apr 4, 2012 at 4:18 PM, Michael McCandless wrote: > On Wed, Apr 4, 2012 at 6:15 PM, Alan Bawden wrote: >> The key observation is that the differences in scores we see are always >> down around the sixth decimal place -- down where 32-bit floating point >> loses precision. >8 snip 8<-

Re: Repeatability of results

2012-04-04 Thread Michael McCandless
On Wed, Apr 4, 2012 at 6:15 PM, Alan Bawden wrote: > So I sat down to try to make a small test case that exhibited this > behavior, and while I was working on that I thought of a possible > explanation for what we are seeing.  If you agree that my explanation is > what's going on here, then Benson

Re: Repeatability of results

2012-04-04 Thread Alan Bawden
So I sat down to try to make a small test case that exhibited this behavior, and while I was working on that I thought of a possible explanation for what we are seeing. If you agree that my explanation is what's going on here, then Benson and I can stop working on making a test case, and move on t

Re:..

2012-04-04 Thread sol myr
hello! http://downloads.supportandmore.de/amrv-10-11.html?jhID=8aus2 - To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org

Hit Highlighting which highlighter to use?

2012-04-04 Thread Paul Hill
Using the original org.apache.lucene.search.highlight.Highlighter should I be able to give it a query like [ My AND Words AND "My Words"^100 ] (the actually phrase in this query is converted to a span query with a slop 1), and expect it find the fragment many pages into the file that has span "My

Re: createJoinQuery use

2012-04-04 Thread kiwi clive
Hi Martijn, Thank you for responding so quickly. I found my reply was stuck in my drafts folder so apologies for not getting back sooner.  I'm trying to search and join across two disparate document types that have some common features. Your response confirms what I was looking into. My unders