Xapian discuss - Jul 2006 - How to build a shopping product categorization system?

Folks,

We wanted to build up a shopping style categorization tree and was wondering if
there are any features of Xapian that may help us with this goal. Basically it
works like this, we have a predefined tree of categories e.g.

Apparel & Accessories -> Clothing -> Women's Apparel ->
Business Casual -> Blazers

Is there a way to modify the index script (passed to scriptindex) to associate
this information with the URL or Xapian record such that when a search is
executed against a search term, the categorization information appears in a
structured fashion defined by our omega template?

title : weight=3 index truncate=80 field=caption
url : field=url hash boolean=Q unique=Q
html : unhtml index truncate=250 field=sample

Thanks,
OSC

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On Tue, Jul 25, 2006 at 10:25:00AM -0800, oscaruser@programmer.net wrote:
> We have a predefined tree of categories e.g. 
> 
> Apparel & Accessories -> Clothing -> Women's Apparel ->
Business
>	  Casual -> Blazers
> 
> Is there a way to modify the index script (passed to scriptindex) to
> associate this information with the URL or Xapian record such that
> when a search is executed against a search term, the categorization
> information appears in a structured fashion defined by our omega
> template?
If you turn it into a document data field, you can use $split to chop
it up. Say you store the above as "Apparel &
Accessories/Clothing/...", you could have:

categories: field=categories

$list{$map{$split{/, $field{categories}},<span
class='category'>$html{$_}</span>}, -&gt; }

If you stored tokens instead of strings you could turn them into links
as well by using a $setmap{}. (You can also localize that way, if you
need to.)

James

-- 
/--------------------------------------------------------------------------\
  James Aylett                                                  xapian.org
  james@tartarus.org                               uncertaintydivision.org

Good info, thanks, giving it a go...
> ----- Original Message -----
> From: "James Aylett" <james-xapian@tartarus.org>
> To: xapian-discuss@lists.xapian.org
> Subject: Re: [Xapian-discuss] How to build a shopping product
categorization	system?
> Date: Sat, 29 Jul 2006 23:05:01 +0100
> 
> 
> On Tue, Jul 25, 2006 at 10:25:00AM -0800, oscaruser@programmer.net wrote:
> 
> > We have a predefined tree of categories e.g. Apparel & 
> > Accessories -> Clothing -> Women's Apparel -> Business
> > 	  Casual -> Blazers
> >
> > Is there a way to modify the index script (passed to scriptindex) to
> > associate this information with the URL or Xapian record such that
> > when a search is executed against a search term, the categorization
> > information appears in a structured fashion defined by our omega
> > template?
> 
> If you turn it into a document data field, you can use $split to chop
> it up. Say you store the above as "Apparel &
> Accessories/Clothing/...", you could have:
> 
> categories: field=categories
> 
> $list{$map{$split{/, $field{categories}},<span
> class='category'>$html{$_}</span>}, -> }
> 
> If you stored tokens instead of strings you could turn them into links
> as well by using a $setmap{}. (You can also localize that way, if you
> need to.)
> 
> James
> 
> --
>
/--------------------------------------------------------------------------\
>    James Aylett                                                  xapian.org
>    james@tartarus.org                               uncertaintydivision.org
> 
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> Xapian-discuss mailing list
> Xapian-discuss@lists.xapian.org
> http://lists.xapian.org/mailman/listinfo/xapian-discuss
>

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