[Developers] More information on '/type/reflect'

Ed Laurent spatial.db at gmail.com
Fri May 23 18:20:25 UTC 2008


Is this something that can be accomplished more easily through a
modification of the CVT model? For example, see
Fuel_consumption<http://www.freebase.com/tools/schema/user/spatialed/motorcycle/fuel_consumption>.
I wanted to model some relationships as CVTs but also wanted to see which
topics were associated with the CVTs. I therefore reciprocated the links but
did not include them as disambiguation. The result is that one direction of
the link is made through the CVT's attribute (i.e., topic) and the other
direction is made through the topic's property (i.e., collection of
attributes contained within the CVT).

-Ed


On Thu, May 22, 2008 at 11:41 PM, John Giannandrea <jg at metaweb.com> wrote:

>
> Sumit wrote:
>
> My subject, Peter Jackson, a New Zealand national and a screenwriter, is
> married to Fran Walsh and works for Weta Digital. However if I try the
> generic query with these names rather than 'new zealand' or 'screenwriter' I
> don't get down to the subject. Fran Walsh and Weta Digital do not appear to
> be linked *directly *to Peter Jackson, it looks like there is a relation
> 'spouse' or 'employer' which has a value.
>
>
> This in general is called the CVT problem.  Some relationships have an
> additional object modeling the relationship.    Its possible to query for
> any link to any object with any link and so on, but you need to know which
> links you want to do this for.   We have some code that can do this in
> general, but if you know which specific links you are trying to follow its
> easier.
>
> Could you describe some more what you are trying to do, from an application
> perspective, and then perhaps we can steer you in a specific query
> direction...
>
> -jg
>
>
>
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