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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Virtual Index
Date Wed, 06 Mar 2002 17:07:27 GMT
If you prefer the old way (multiple indices) you can do that with
Lucene, too.  Look at MultiSearcher class.
Lucene also supports range queries which may be helpful.  I haven't
used them, but it sounds like the thing to look at.

Otis

--- Paul Dlug <paul@aps.org> wrote:
> We have a relatively large (300,000+ documents) set of XML files to
> index. The files themselves are articles broken up by journal and
> decade
> so that users can restrict their search to specific journals and year
> ranges. Under our old search engine this was done by creating a
> seperate
> index for each journal/decade and then creating a "virtual index"
> which
> would search the smaller indexes and put the results together (with
> scoring preserved).
> 
> In Lucene it looks like I would have to build one large index and do
> something like this:
> 
> title:test && (journal:myjournal && (year:1990 || year:1991 ||
> year:1992
> || year:1993 || year:1994 || year:1995 || year:1996 || year:1997 ||
> year:1998 || year:1999))
> 
> Is there a better way to do this?
> 
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