Re: [OpenFTS-general] Ranking question

[Teodor S. <te...@si...>]

>>And also, rank and rank_cd, what's the main diference in algorythm or
>>whinch one do you prefer. (question about speed, quality etc.)
>>
> 
> 
> I believe rank_cd is the best ranking function. Reference to algorithm
> of rank_cd (cover density) is in abovementioned link. We don't yet
> know how to add support of 'weights' to rank_cd, so you have to use
> rank function.
> 

I recommend to try both and use better for your opinion.
rank was checked during long time, rank_cd is new, experimental.
For now rank_cd ignore weights of lexemes.



-- 
Teodor Sigaev                                  E-mail: te...@si...