Re: ldp-ISSUE-10 (Guidance around ETags): Include clarifications and guidance around ETags [Linked Data Platform core]

On 4 Feb 2013, at 11:53, Steve Battle <steve.battle@sysemia.co.uk> wrote:

>> -----Original Message-----
>> From: Wilde, Erik [mailto:Erik.Wilde@emc.com]
> 
>> On 2013-02-04 09:24 , "Raúl García Castro" <rgarcia@fi.upm.es> wrote:
>>> .- I think that using ETags should be a MUST, since it is the minimum
>>> requirement for detecting conflicts in updates.
> ...
>> 
>>> .- I would keep things simple and not mention in the specification
>>> things like using :weakEtag properties in resource descriptions.
>> 
>> +1, let's keep HTTP concepts in HTTP.
> 
> To be clear _here_  (yes - I did raise etags in resource descriptions in
> another context), we're recommending using weak ETags, not in resource
> descriptions, but in the response header.
> Can we agree that the use of weak ETags with RDF content should at least
> be a best practice recommendation?

+1 for best practice. 

Also while we are at it, is there a good efficient algorithm for calculating this?

( I suppose just the hash for the hash of every triples )

> 
> Steve.
> 

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