[Data-modeling] Proposed change to locations

[Ed Laurent]

+1!

On Tue, May 6, 2008 at 1:56 PM, Bryan Cheung <bryan.cheung at metaweb.com>
wrote:

> Currently, some location types have properties to represent values
> from other location naming authorities, such as NIST FIPS 10.4, GNIS
> Feature ID, ISO 3166 codes and others.  These values, in most cases
> are represented as a machine readable string, and could possibly be
> non-unique in freebase (two topics having the same value).
>
> It has been proposed that we update the property to be an enumeration,
> thereby giving us the ability to have the naming authority key map to
> a single topic.  It will also have the additional benefit of being
> able to reference the topic by URI; for example,
> www.freebase.com/view/iso/3166_1alpha3/MEX
>  (this link is not active yet).
>
> The properties that we have identified so far as candidates for
> enumeration are:
>
> /location/location/gnis_feature_id
> /location/location/gns_ufi
> /location/country/iso_alpha_3
> /location/country/iso_numeric
> /location/country/fifa_code
> /location/country/iso3166_1_alpha2
> /location/country/fips10_4
> /location/administrative_division/fips_10_4_region_code
> /location/administrative_division/iso_3166_2_code
>
> I'll also be looking into whether some of these properties should be
> updated to be unique vs. non-unique.
>
> There should not be any affect to queries you are writing against
> these properties.  You can read and update values just as you are
> doing currently, but if you are using the property's expected type in
> your query, that will change to /type/enumeration .
>
> We're also evaluating types/properties in other domains as to whether
> they will also be good candidates for enumeration, but we'll let you
> know of those changes in another email.
>
> Does anyone object?
>
> Bryan
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