Re: Include Lists for Text Search

On Mon, 10 Sep 2007, Simon Riggs wrote:

> On Mon, 2007-09-10 at 16:10 +0400, Oleg Bartunov wrote:
>> On Mon, 10 Sep 2007, Simon Riggs wrote:
>>
>>> It seems possible to write your own functions to support various
>>> possibilities with text search.
>>>
>>> One of the more common thoughts is to have a list of words that you
>>> would like to include, i.e. the opposite of a stop word list.
>>>
>>> There are clear indications that indexing too many words is a problem
>>> for both GIN and GIST. If people already know what they'll be looking
>>> for and what they will never be looking for, it seems easier to supply
>>> that list up front, rather than hide it behind lots of hand-crafted
>>> code.
>>>
>>> Can we include that functionality now?
>>
>> This could be realized very easyly using dict_strict, which returns
>> only known words, and mapping contains only this dictionary. So,
>> feel free to write it and submit.
>
> So there isn't one yet, but you think it will be easy to write and that
> we should call it dict_strict?

we have dict_synonym already and if your list is not big you'll be happy.
    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