On 2012-03 -23, at 21:02, Jeni Tennison wrote:

> 
> On 23 Mar 2012, at 22:42, Jonathan A Rees wrote:
> 
>> On Thu, Mar 22, 2012 at 4:21 PM, Jeni Tennison <[email protected]> wrote:
>> 
>>> While there are instances of linked data websites using 303 redirections, 
>>> there are also many examples of people making statements about URIs 
>>> (particularly using HTML link relations, RDFa, microdata, and microformats) 
>>> where those statements indicate that the URI is supposed to identify a 
>>> non-information resource such as a Person or Book.
>> 
>> Can you provide a handful of these Doing It Wrong URIs please from
>> various sites? I think it would really be helpful to have them on hand
>> during discussions.
> 
> 
> OK. These picked up from dumps made available by webdatacommons.org, so very 
> grateful to them for making that available; it can be quite hard to locate 
> this kind of markup generally. Also I've used Gregg's distiller [1] to 
> extract the RDFa out of the documents to double-check.
> 
> 
> http://www.logosportswear.com/product/1531
> -> 301 
> -> http://www.logosportswear.com/product/1531/harbor-cruise-boat-tote
> 
>  which contains the RDFa statement
> 
>  <http://www.logosportswear.com/product/1531>
>    a <http://rdf.data-vocabulary.org/#Product> ;
>    .
> 
>  The URI is intended to identify a product, not a web page.
> 

Indeed, and notice that it has a different URI from the web page
The 301 could be easily changed to a 303, and all would be happy.
They have done the difficult bit of separating out the product and the page.

A site, by the way, which uses 301 is saying that the URI you asked for
is obsolete, and you should stop using it.

Tim

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