[Developers] Category list

[Kendra Kuhl]

LitJson is a pretty good one if you are doing .Net. It's available here:

 

http://litjson.sourceforge.net/

 

From: developers-bounces at freebase.com
[mailto:developers-bounces at freebase.com] On Behalf Of Zodiac Seven
Sent: Thursday, April 17, 2008 2:56 PM
To: For discussions about MQL, Freebase API and apps built on Freebase
Subject: Re: [Developers] Category list

 

Thanks David,

Can someone recommend a good json library.

On 4/17/08, David Flanagan <david at davidflanagan.com> wrote:

Zodiac Seven wrote:

>
> I only need the names and I could parse those out of the string but is
> there a cleaner way to do it like using javascript's eval or some sort
> of freebase support function? I think if I could get a array of objects
> I could iterate through them copying 'object[i].name'.
> Any sample code would be helpful.
>


Freebase queries and response are in JSON. You should be using a JSON
library to serialize queries and parse responses.

Also, it sounds as if you have not yet read the documentation which you
can find here:

http://www.freebase.com/view/freebase/api

        David Flanagan


>
> On 4/16/08, *Kurt Bollacker* <kurt at metaweb.com

> <mailto:kurt at metaweb.com>> wrote:
>
>
>
>     On Wed, Apr 16, 2008 at 08:44:36PM +0530, Zodiac Seven wrote:
>      > I'm writing a small app on FreeBase.
>      > I'm trying to build a category tree which shows the main
>     categories (sports,
>      > arts & crafts, etc.) and lets the user drill down to additional sub
>      > categories.
>      > Is there something like this already built which I can use?
>
>
>     Something close to what you want can be found as a MJT app at:
>
>     http://www.mjtemplate.org/examples/schemas/
>
>     More about MJT can be found at:
>
>     http://www.mjtemplate.org/
>
>
>      > I notice that I can get a list of the categories for "Sports"
>     like this:
>      >
>      > { "query" : [ { "domains" : [ { "id" : null, "name" : null, "type"
:
>      > "/type/domain" } ], "name" : "Sports", "type" :
>     "/freebase/domain_category"
>      > } ]}
>      >
>      > but I can't figure out how to get a list of categories under
>      > "Sports/Basketball"
>
>
>     The hierarchy you are looking at has this order:
>
>     Domain Category
>       Domain
>         Type
>           Property
>
>     Your query above retrieves all of the domains in a domain category.
>     To get the types (e.g. Basketball Team) in a domain (e.g. Basketball),
>     you can use a similar query:
>
>     {
>       "query" : [
>         {
>           "name" : "Basketball",
>           "type" : "/type/domain",
>           "types" : [
>             {
>               "id" : null,
>               "name" : null,
>               "type" : "/type/type"
>             }
>           ]
>         }
>       ]
>     }
>
>     Hope this helps...                                              Kurt
:-)
>
>
>
>      > Regards,
>      >
>      > Deepak.
>
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