[Xapian-discuss] Making SORTAFTER useful in omega?

[Arjen van der Meijden]

Is there no one with some input on this issue?

Best regards,

Arjen

On 1-9-2008 22:43 Arjen van der Meijden wrote:
> Hello List,
> 
> Our users keep asking for some more "logical" sorting of search results. 
> Now the results are sorted on relevance, i.e. the raw weight, by 
> default. But since the users only see the percentage, that results in a 
> seemingly random secondary sorting.
> 
> According to the docs and earlier mails, omega has the 'SORTAFTER' (and 
> docid sorting) functionality to allow date-based secondary sorting. But 
> according to later mails and the documentation that's only useful if you 
> don't use the default BM25-weighting. Unfortunately you can't alter the 
> weighting scheme via Omega-calls.
> Nor does it seem to help to simply patch query.cc to use TradWeight 
> rather than BM25.
> 
> Since we've built our set-up around omega, we'd rather not have to build 
> something similar or patch omega just because its missing a small but 
> important feature. Is it somehow possible to make the newer results in 
> the seemingly similarly relevant results sort on top within Omega?
> 
> Best regards,
> 
> Arjen
> 
> _______________________________________________
> Xapian-discuss mailing list
> Xapian-discuss at lists.xapian.org
> http://lists.xapian.org/mailman/listinfo/xapian-discuss
>