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Re: Index time Document Boosting and Query Time Sorts

Dino Korah

2008-09-26

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Cheers All

2008/9/24 Karl Wettin <karl.wettin@(protected)>

>
> 24 sep 2008 kl. 12.40 skrev Grant Ingersoll:
>
> One side note based on your example, below: Index time boosting does not
>> have much granularity (only 255 values), in other words, there is a loss of
>> precision. Thus, you
>> want to make sure your boosts are different enough such that you can
>> distinguish between the two.  Maybe 1/(2*depth) or something like that. You
>> can alter how these 255 values are encoded, but that is fairly advanced
>> stuff.
>>
>
> Just a note, the granularity is 255 only if you turn off length
> normalization, if not it's something like 25.
>
>
>     karl
>
>
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