Re: Changing ranking

2006-03-24 Thread Leon Chaddock
only once ranking higher than 100 word documents with the phrase occuring 10 times. Many thanks for your help Leon - Original Message - From: "Chris Hostetter" <[EMAIL PROTECTED]> To: "Lucene Users" Sent: Friday, March 24, 2006 6:47 PM Subject: Re: Changing

Re: Changing ranking

2006-03-24 Thread Chris Hostetter
(NOTE: replying back to java-user, for the reasons listed at http://people.apache.org/~hossman/#private_q ) : Date: Fri, 24 Mar 2006 08:42:29 - : Subject: Re: Changing ranking : : HI Chris, : Thanks, so would that make it as simple as a document with 5 matching : occurences ranks higher than

Re: Changing ranking

2006-03-23 Thread Chris Hostetter
: Is there anyway I can change luicene to rank longer documents with more : phrase occurences higher if what you care about is only the number of occurences, and you don't want the length to be a factor at all, then using Field.setOmitNorms(true) on the Field for every document you add will not o

Re: Changing ranking

2006-03-23 Thread Marvin Humphrey
On Mar 23, 2006, at 11:22 AM, Otis Gospodnetic wrote: The place to start would be to look at the DefaultSimilarity, and the norms method there. Perhaps you want to create your own Similarity implementation that returns either a constant 1 or something else that will favour longer text. S

Re: Changing ranking

2006-03-23 Thread Otis Gospodnetic
better or more precise suggestions. Otis - Original Message From: Leon Chaddock <[EMAIL PROTECTED]> To: java-user@lucene.apache.org Sent: Thursday, March 23, 2006 9:43:14 AM Subject: Changing ranking Hi, At present lucene seems to rank very short documents over longer documents whe

Changing ranking

2006-03-23 Thread Leon Chaddock
Hi, At present lucene seems to rank very short documents over longer documents where the phrase occurs more regularily for instance which the search term "cat" "the cat went home" ranks higher than "the black cat when home past some other cats, on cat street" Is there anyway I can change lu