Обсуждение: Index for similarity search

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Index for similarity search

От
Enrico
Дата:
Hi,
I written an index to improve similarity search like images search, string search etc...
My index code is written in C and it is not linked with any dmbs, and I would to connect it to postgresql.

Any suggest to begin my work?

Thanks
Enrico


-- 
If Bill Gates had a penny for everytime Windows crashed,he'd be a multi-billionaire by now .......oh look, he already
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Re: Index for similarity search

От
Martijn van Oosterhout
Дата:
On Tue, Jan 16, 2007 at 06:04:07PM +0100, Enrico wrote:
> Hi,
> I written an index to improve similarity search like images search, string search etc...
> My index code is written in C and it is not linked with any dmbs, and I would to connect it to postgresql.

You probably want to build a GiST index, check the docs.

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.

Re: Index for similarity search

От
tomas@tuxteam.de
Дата:
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On Tue, Jan 16, 2007 at 07:15:58PM +0100, Martijn van Oosterhout wrote:
> On Tue, Jan 16, 2007 at 06:04:07PM +0100, Enrico wrote:
> > Hi,
> > I written an index to improve similarity search like images search, string search etc...
> > My index code is written in C and it is not linked with any dmbs, and I would to connect it to postgresql.
> 
> You probably want to build a GiST index, check the docs.

Especially, have a look at hstore and pg_trgrm. They provide good
examples of how to marry similarity hashes with GiST.

Regards

- -- tomás
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Re: Index for similarity search

От
Enrico
Дата:
> You probably want to build a GiST index, check the docs.
> 
> Have a nice day,
> -- 
> Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> > From each according to his ability. To each according to his ability to litigate.

Many thanks


-- 
If Bill Gates had a penny for everytime Windows crashed,he'd be a multi-billionaire by now .......oh look, he already
is!!!!
 
scotty@linuxtime.it - Skype:sscotty71
http://www.linuxtime.it/enricopirozzi