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From Sebastian Menge <sebastian.me...@uni-dortmund.de>
Subject Re: Lucene and LSA
Date Fri, 19 Aug 2005 07:38:31 GMT
Ok, thanks. Are you aware of any open source tools doing something
similar? 

I wonder why these quite populare things (the lucene-package and the
LSA-approach) are not too common. I expected about 10 tools/packages
doing such things.

Regards, Seb.


Am Donnerstag, den 18.08.2005, 10:57 -0400 schrieb Erik Hatcher:
> Lucene has term vector capability, which facilitates LSA types of  
> things.  For a field you can get back all the terms in it, their  
> frequency, and their positions.  Enabling this requires setting the  
> flag appropriately on the field during indexing.
> 
> Hope that helps.
> 
>      Erik
> 
> 
> On Aug 18, 2005, at 10:42 AM, Sebastian Menge wrote:
> 
> > Hi
> >
> > I want to build a search-engine based on LSA (latent semantic  
> > analysis).
> >
> > How much of lucene's functionality could be reused? Could I use  
> > lucene's
> > index to build up the "term by document" matrix? And of course, why?
> >
> > TIA, Sebastian
> >
> 


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