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Re: [swish-e] parallelism and Swish-e

From: Peter Karman <peter(at)not-real.peknet.com>
Date: Sun Apr 05 2009 - 03:49:47 GMT
Andrew Smith wrote on 4/3/09 6:42 PM:
> Hi,
> 
> I just tried it out and it seems to work fine. I didn't try the Perl
> stuff, just swish-e executable itself. The ordering of results is the
> same (for both -R 0 and -R 1) for raw scores and normalized scores.
> Although interestingly the raw scores have max value around 100 for
> the default ranking scheme (-R 0) but max value around 18000 for IDF
> (-R 1) --- does that sound right? In any case, looks fine to me.

thanks for checking, Andrew.

Yes, those numbers sound right. I would expect the -R 1 numbers to vary widely
depending on the size of the document collection. -R 0 numbers won't. Also the
ordering of the two schemes will vary based on the query of course. Try
searching for 'the' for example.

-- 
Peter Karman  .  http://peknet.com/  .  peter(at)not-real.peknet.com
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Received on Sat Apr 4 23:50:00 2009