Forward Index in Lucene?

[Mark Rosen <mr...@MIT.EDU>]

Hello Everyone,

I'm a student at MIT working on an information-management tool called 
Haystack as part of my masters thesis. Our project needs to incorporate 
both searching and document classification. Lucene works well for the 
searching part, but poorly for document classification; searching requires 
an inverted index, while we need a regular old forward index to do document 
clustering, etc.

It's pretty simple to build a forward index -- I've already done that part 
-- but I just thought that I would e-mail this list and ask if anyone has 
done anything similar or thought of extending Lucene to efficiently support 
both types of indexes.


- Mark


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