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Re: ACTION- 541: Jeni to help Dan pull together terminology on Deep Linking

From: Noah Mendelsohn <nrm@arcanedomain.com>
Date: Mon, 11 Apr 2011 12:04:17 -0400
Message-ID: <4DA32681.6040809@arcanedomain.com>
To: Tim Berners-Lee <timbl@w3.org>
CC: Larry Masinter <masinter@adobe.com>, "www-tag@w3.org" <www-tag@w3.org>
On 4/10/2011 5:44 PM, Tim Berners-Lee wrote:
> Well, so it is cache, then?? but hang on
> - It isn't accessed using the same URI
> - It doesn't enhance performance
> - You use it when something has disappeared and the main link won't work
> all of which I thought were more properties one would attribute to archive.

So, here's my inference about the Google 'cache' story:

* These copies are made primarily to facilitate indexing and other access 
in support of Google Search. In this context, they are a classic cache: 
they are used as high performance, easily accessed copies of 
representations from the original URI. So, with that in mind, this is known 
as Google's "cached" copy of the representation.

* Given that's there, it can be handy to let users see that "cached" copy, 
and for that purpose Google makes at available under a new and different 
URI, which is what you're discussing. That is indeed served from a link 
labeled "cached", but I think what's intended on careful reading is: "link 
to the copy that Google created for caching purposes in its search engine". 
  Once accessed in this non-transparent way, it is indeed no longer being 
used as a classic cache.

Received on Monday, 11 April 2011 16:04:43 UTC

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