ted.dunning at gmail
Jan 29, 2010, 11:42 AM
Post #2 of 3
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Don't set a document boost. Just add a date range to all queries.
On Fri, Jan 29, 2010 at 9:56 AM, Almas1997 <amaskaev [at] gmail> wrote:
>
> Hi all,
>
> I have the following problem. My lucene index contains documents with
> fields
> Text and CreatedDate.
> I'd like to have document search results sorted by relevance but also wants
> to show newest documents first within reasonable limits.
>
> I can create sorting by relevance and then by date, but this approach
> provide too rough results, because even the oldest documents with higher
> rank will come first. I'd like to have more elegant solution.
>
> It seems that i should include document date to scoring formula to get more
> rank to the newer documents. Probably I can set document boost based on
> date, so newest documents will have bigger boost value. But i'm not sure is
> this variant correct.
>
> Maybe someone can suggest more correct approach?
>
>
> --
> View this message in context:
> http://old.nabble.com/Improving-relevance-by-document-date-tp27375856p27375856.html
> Sent from the Lucene - General mailing list archive at Nabble.com.
>
>
--
Ted Dunning, CTO
DeepDyve
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