Search one index but use IDF from another?

2011-03-10 Thread Felipe Hummel
ot cheap. Am I missing something? Thanks Felipe Hummel

Re: Search one index but use IDF from another?

2011-03-13 Thread Felipe Hummel
rrect? On Thu, Mar 10, 2011 at 4:36 PM, Andrzej Bialecki wrote: > On 3/10/11 8:32 PM, Felipe Hummel wrote: > >> Hi, I'm building a system where I want to show only results indexed in the >> past few days. Furthermore, I don't want to maintain a giant index with >

Re: performance question - number of documents

2011-10-27 Thread Felipe Hummel
ould apply. See the first page of this article<http://www.cis.upenn.edu/~jstoy/cis650/papers/WAND.pdf>for more information. Felipe Hummel On Mon, Oct 24, 2011 at 8:29 AM, sol myr wrote: > Hi, > > Thanks for this reply. > > Could I please just ask - doesn't Lucene keep t

Re: using lucene to find neighbouring points in an n-dimensional space

2011-10-27 Thread Felipe Hummel
s you said. Just be assured that you really want to use Lucene for this. If you already have the term-vectors maybe you could just implement the closest neighbours calculation by yourself. Just compare your target document with every other in the dataset and rank by similarity. Felipe Hummel On S