Re: Tsearch2 and Snowball

Simon,

We have almost everything you listed in our TODO
http://www.sai.msu.su/~megera/wiki/todo

btw, there is gendict subdirectory, which help people to generate 
dictionaries (including snowball stemmers) for tsearch2.

Oleg

On Tue, 3 Oct 2006, Simon Riggs wrote:

>
> I'm looking at some of the code in contrib/tsearch2/snowball and see
> that the code there is *generated* code. The Snowball stemmer produces
> this C code in much the same way bison reads gram.y
>
> My understanding is that the Snowball code moves forwards regularly and
> there are many other stemmers we could be including with the
> distribution.
>
> Snowball has a BSD licence: http://snowball.tartarus.org/license.php
> Would it be possible to include the Snowball source directly and allow
> its execution to be part of the make process for tsearch2? Or have
> configure check for Snowball at make time? At the very least it would be
> good to have a Readme file explaining how to modify the Snowball stemmer
> and regenerate for tsearch2.
>
> That would then encourage people to improve the stemmers, as well as
> allow us to include French and Spanish versions etc..
>
> Perhaps we should ask translators to provide stop word lists for their
> languages. It seems a shame to have docs in so many languages, but no
> language capability for Tsearch2.
>
> Also, why do we have another crc32 implementation in there?
>
>
    Regards,        Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83