Re: Content negotiation negotiation

Well, more than useful I think. Content negotiation without it seems a
bit pointless.

As you say, the last doesn't, the first two do, they overlap in formats
they will return, but each have some unique ones. But I had to read the
documentation to find this out. Bit clunky.

Phil

Leigh Dodds <leigh@ldodds.com> writes:

> The first two indicate that responses vary based on Accept header as
> both have a Vary: Accept. The third doesn't so doesn't support
> negotiation.
>
> None of the URLs advertise what formats are available. That's not a
> requirement for content-negotiation, although it'd be useful.
>
> Cheers,
>
> L.
>
>
> On Wed, Apr 24, 2013 at 2:17 PM, Phillip Lord
> <phillip.lord@newcastle.ac.uk> wrote:
>>
>> Hmmm.
>>
>> So, taking a look at these three URLs, can you tell me
>> a) which of these support content negotiation, and b) what formats
>> they provide.
>>
>> http://dx.doi.org/10.3390/fi4041004
>> http://dx.doi.org/10.1594/PANGAEA.527932
>> http://dx.doi.org/10.1000/182
>>
>> I tried vapor -- it seems to work by probing with application/rdf+xml,
>> but it appears to work by probing. I can't find any of the headers
>> mentioned either, although perhaps I am looking wrongly.
>>
>> Phil
>>
>>
>>
>> Hugh Glaser <hg@ecs.soton.ac.uk> writes:
>>
>>> Ah of course - thanks Mark, silly me.
>>> So I look at the Link: header for something like
>>> curl -L -i http://dbpedia.org/resource/Luton
>>> Which gives me the information I want.
>>>
>>> Anyone got any offers for how I would use Linked Data to get this into my RDF store?
>>>
>>> So then I can do things something like:
>>> SELECT ?type ?source FROM { <http://dbpedia.org/resource/Luton> ?foo ?file .
>>> ?file ?type ?source . }
>>> (I think).
>>>
>>> I suppose it would need to actually be returned from a URI at the site - I
>>> can't get a header as URI resolution - right?
>>> And I would need an ontology?
>>>
>>> Cheers.
>>>
>>> On 23 Apr 2013, at 19:49, Mark Baker <distobj@acm.org>
>>>  wrote:
>>>
>>>> On Tue, Apr 23, 2013 at 1:42 PM, Hugh Glaser <hg@ecs.soton.ac.uk> wrote:
>>>>>
>>>>> On 22 Apr 2013, at 12:18, Phillip Lord <phillip.lord@newcastle.ac.uk> wrote:
>>>>> <snip>
>>>>>> We need to check for content negotiation; I'm not clear, though, how we
>>>>>> are supposed to know what forms of content are available. Is there
>>>>>> anyway we can tell from your website that content negotiation is
>>>>>> possible?
>>>>> Ah, and interesting question.
>>>>> I don't know of any, but maybe someone else does?
>>>>
>>>> Client-side conneg, look for Link rel=alternate headers in response
>>>>
>>>> Server-side conneg, look for "Vary: Content-Type" in response
>>>>
>>>> Mark.
>>>
>>>
>>>
>>
>> --
>> Phillip Lord,                           Phone: +44 (0) 191 222 7827
>> Lecturer in Bioinformatics,             Email: phillip.lord@newcastle.ac.uk
>> School of Computing Science,            http://homepages.cs.ncl.ac.uk/phillip.lord
>> Room 914 Claremont Tower,               skype: russet_apples
>> Newcastle University,                   twitter: phillord
>> NE1 7RU
>>

-- 
Phillip Lord,                           Phone: +44 (0) 191 222 7827
Lecturer in Bioinformatics,             Email: phillip.lord@newcastle.ac.uk
School of Computing Science,            http://homepages.cs.ncl.ac.uk/phillip.lord
Room 914 Claremont Tower,               skype: russet_apples
Newcastle University,                   twitter: phillord
NE1 7RU

Received on Wednesday, 24 April 2013 14:09:37 UTC