Re: containers examples should end in /

Hi all,

On Jan 14, 2013, at 08:54, Henry Story <henry.story@bblfish.net> wrote:

> The argument is that instead of having containers
> with URLs such as 
> 
>  http://example.org/container1 
> 
> they should be
> 
>  http://example.org/container1/


+1

Regards,
Dave
--
http://about.me/david_wood


> 
> The argument for this is as follows:
> 
> Consider the example 1 as it is currently written:
> 
> [[
> @prefix dcterms: <http://purl.org/dc/terms/>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> @prefix ldp: <http://www.w3.org/ns/ldp#>.
> 
> <http://example.org/container1>
>   a ldp:Container;
>   dcterms:title "A very simple container";
>   rdfs:member
>      <http://example.org/container1/member1>,
>      <http://example.org/container1/member2>,
>      <http://example.org/container1/member3>.
> ]]
> 
> Let us say we make these now into relative URIs, 
> as required by ISSUE-29  and ACTION-30. Consider
> the difference between the way the two containers
> are written:
> 
> 1. Container URI is  http://example.org/container1/
> ---------------------------------------------------
> 
> Then the relative version of example 1 can be the very 
> elegant:
> 
> @prefix dcterms: <http://purl.org/dc/terms/>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> @prefix ldp: <http://www.w3.org/ns/ldp#>.
> 
> <> a ldp:Container;
> dcterms:title "A very simple container";
> rdfs:member <member1>, <member2>, <member3> .
> 
> 
> 2. Container URI is  http://example.org/container1
> --------------------------------------------------
> 
> If a GET on this container were to return the above 
> representation then that would produce a graph isomorphic 
> to:
> 
> [[
> @prefix dcterms: <http://purl.org/dc/terms/>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> @prefix ldp: <http://www.w3.org/ns/ldp#>.
> 
> <http://example.org/container1>
>   a ldp:Container;
>   dcterms:title "A very simple container";
>   rdfs:member
>      <http://example.org/member1>,
>      <http://example.org/member2>,
>      <http://example.org/member3>.
> ]]
> 
> That is not what was intended. Therefore the returned document would
> have to be the much less elegant:
> 
> [[
> @prefix dcterms: <http://purl.org/dc/terms/>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> @prefix ldp: <http://www.w3.org/ns/ldp#>.
> 
> <> a ldp:Container;
> dcterms:title "A very simple container";
> rdfs:member <container1/member1>, <container1/member2>, <container1/member3> .
> ]]
> 
> So clearly the better solution is to have containers be entities ending
> in a "/" .
> 
> Henry
> 
> A short message from my sponsors: Vive la France!
> Social Web Architect
> http://bblfish.net/
>