Hi Michael,
answers inline.
2012/7/26 Michael Smethurst michael.smethu...@bbc.co.uk:
Very delayed reply but think I'm still confused on this. Made a picture to
clear my mind but not sure it works:
http://smethur.st/wikidata
The bit I think I get:
If I request
http://en.wikidata.org/wiki/Berlin
Or
http://en.wikidata.org/title/Berlin
I get a 301? to:
303, but otherwise correct.
http://wikidata.org/title/en:Berlin
The html wiki page
But not sure I understand the machine readable part [1]
Bullet point 1 says
http://wikidata.org/id/Q{id}
Resolves to the appropriate url depending on the request header
Does resolve mean a redirect? Is that a 303?
Yes, it is a 303 redirect.
Or is there no redirect and the thing uri returns content?
What's the appropriate url?
It says the appropriate URL depending on the request header, i.e. it
depends on the ACCEPT header if you get the HTML page or the data.
http://wikidata.org/data/Q{id}
Or
http://wikidata.org/data/Q{id}?format={format}language={language}
?
The former I'd say, but this is not completely settled yet.
Bullet point 2 says
http://en.wikidata.org/item/Berlin
Also resolves to the appropriate url. Is that a redirect? What's the
appropriate url?
As above. It depends on the ACCEPT header.
Also, this is merely a convenience URI.
Is there content negotiation happening from
http://wikidata.org/wiki/Q{id}
Or just from
http://wikidata.org/id/Q{id}
Just from the latter. Not on the former.
What happens if I request
http://wikidata.org/id/Q{id}
And accept only html?
303 redirect to http://wikidata.org/wiki/Q{id}
Is there content negotiation from
http://wikidata.org/data/Q{id}
Or do I have to use parameters to get different representations?
No content negotiation intended here. Maybe the latter. We are not
sure yet about the supported formats and how this will work.
Is there a better picture
No, you made the best one so far.
Sorry to be thick
Michael
Sorry for having explained it badly. I hope this helps!
Denny
[1]
https://meta.wikimedia.org/wiki/Wikidata/Notes/URI_scheme#Machine-readable_a
ccess
On 06/07/2012 18:20, Gregor Hagedorn g.m.haged...@gmail.com wrote:
Thanks Denny, I largely see your points. The distinction between
convenience = webservice to redirect to canonical URL and canonical
URL could perhaps be made clearer in the note. I read it as parallel
URIs rather than as a redirecting service. To me the word
convenience has a different implication, but this may be entirely my
fault, I am not a native speaker either. I also agree on the choice of
language prefixes, confusing as it may be, I should have know. The
data plus wikidata is still confusing, but I guess you cannot avoid
that one?
About the Q in front of identifiers: At the moment I see the item
numbers being used in rdf:resource/about, but I understand that you
may need them as element names? My understanding was that properties
will be prefixed by Property: anyways.
In any event: I find the argument that a rare letter like Q is good
branding not very convincing. I would suggest then a more memnonic
choice, like WD2348972 or W2348972 instead. I believe the Q as prefix
used in all canonical inbound links will be puzzling many people and
end the explanation having to end up in the FAQ.
thanks again!
Gregor
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