On Jun 28, 2013 10:03 PM, "Gregor Hagedorn" <gregor.hagedorn@mfn-berlin.de> wrote:
>
> > http://www.wikidata.org/wiki/Q1000 is indeed an information resource
> > http://www.wikidata.org/entity/Q1000 is the URI for the thing, which indeed
>
> Apologies, I copied the wrong URI when testing!
>
> >> Also, checking with http://validator.linkeddata.org/vapour I received
> >> an error about invalid response (I am not sure whether this is a
> >> problem with Vapour or Wikidata ...)
> > More details would be appreciated.
>
> Both entity:
> http://validator.linkeddata.org/vapour?uri=http%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ1000+&defaultResponse=dontmind&userAgent=vapour.sourceforge.net

The test page shows this HTTP request:

GET /entity/Q1000
User-Agent: vapour.sourceforge.net

If this is actually what Vapour sends to Wikidata, then it's Vapour's fault: this is an invalid HTTP request - the protocol version is missing. The first line should be "GET /entity/Q1000 HTTP/1.0" or ".../1.1". Wikidata correctly responds with 400, although most web servers are configured to handle such broken requests. That's what Wikipedia seems to be doing.

Christopher

> and wiki
> http://validator.linkeddata.org/vapour?uri=http%3A%2F%2Fwww.wikidata.org%2Fwiki%2FQ1000+&defaultResponse=dontmind&userAgent=vapour.sourceforge.net
>
> give:
> * Dereferencing resource URI (without content negotiation)
> ** 1st request while dereferencing resource URI without specifying the
> desired content type (HTTP response code should be 200): Failed
> * Dereferencing resource URI (requesting RDF/XML)
> ** 1st request while dereferencing resource URI without specifying the
> desired content type (Content type should be 'application/rdf+xml'):
> Failed
> ** 1st request while dereferencing resource URI without specifying the
> desired content type (HTTP response code should be 200): Failed
>
> ----
> The graph (not the text) suggests an response of:
> http: 400 Bad Request: The request cannot be fulfilled due to bad syntax
>
> This could be vapours fault, but I fear something is wrong with
> wikidata. At least the wiki test should simply find an information
> resource.
>
> Note that testing wikipedia works:
> http://validator.linkeddata.org/vapour?uri=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FMain_Page&defaultResponse=dontmind&userAgent=vapour.sourceforge.net
>
> Best
>
> Gregor
>
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