[Developers] $0027 encodings in wikipedia topic names

[Philip Kendall]

On Wed, Feb 11, 2009 at 01:42:51AM -0800, Drew Perttula wrote:
> curl http://rdf.freebase.com/rdf/en.barack_obama | grep value.value
> 
>    <http://rdf.freebase.com/ns/type.value.value> "Barry_O$0027Bama"],
>    <http://rdf.freebase.com/ns/type.value.value> "Pres$002E_Obama"],
> ...
> 
> What is that $0027 encoding?

[ Disclaimer: I don't work for Metaweb. Everything I write may be wrong
]

Note that what you're looking at their are keys into the /wikipedia/en
namespace, not names. See <http://mql.freebaseapps.com/ch02.html#typekey>
for details on the encoding for keys.

> I also think the underscores might be spaces

They're underscores :-)

> In that same file, the objects of 
> <http://rdf.freebase.com/ns/type.object.name> are normal-looking unicode 
> without $ escapes.

Which is because they're names.

Cheers,

Phil

-- 
  Philip Kendall <philip at shadowmagic.org.uk>
  http://www.shadowmagic.org.uk/