W3C home > Mailing lists > Public > public-ldp-wg@w3.org > December 2012

Re: I added some comments to the wiki page for ISSUE-37

From: Roger Menday <roger.menday@uk.fujitsu.com>
Date: Thu, 13 Dec 2012 15:50:23 +0000
CC: "public-ldp-wg@w3.org" <public-ldp-wg@w3.org>
Message-ID: <22B1C196-A92E-465A-AB85-AC9964F46F58@uk.fujitsu.com>
To: Andy Seaborne <andy.seaborne@epimorphics.com>

On 13 Dec 2012, at 13:30, Andy Seaborne wrote:

> 
> 
> On 13/12/12 12:29, Roger Menday wrote:
>>>>> 
>>>>>>> - Can collections contain collections i.e. are collections hierarchical?
>>>>>>>> (we may decide, no)
>>>>>> this is a very important point.
>>>>> I agree.  Let's see what other members of the WG feel about this issue.
>>>>> For example, suppose for a minute that the content was RDF.  Does a hierarchical
>>>>> collection structure map gracefully to the RDF model?
>>>> 
>>>> An important point indeed!
>>>> 
>>>> Hierarchies of containers are necessary in my opinion, but I can't see a good reason not to allow (MAY) a graph structure that would map cleanly to the RDF model.
>>>> 
>>>> URIs are hierarchical, and so are file systems, but links work in both systems, making graphs.
>>>> 
>>>> Does anyone have a good argument against containers within containers (I hope not).
>>> 
>>> I'll go further - I don't think it is possible to ban them.
>>> 
>>> A link in a container is a link - it can be a link to anything
>>> (including outside of this LDP platform, or outside of any LDP
>>> platform).  So it can be a link to a container.
>>> 
>> 
>> I see a difference between 'container contained by container' and 'container linked to container' (both should be supported in LDP) ... If a client links a container to another container it is just linkage, and not necessarily containment. Containment is something directed/decided by the server, often through creation.
> 
> That relates to the creation and management of the container, which are 
> important.
> 
> But from just the link to the container, you can't tell?
> 
> A container entry is just a link?

a client would distinguish between the contained and linked when they discover interaction possibilities.

also/maybe:

a server SHOULD use a predicate that is a specialisation of  ldp:contains to suggest containment to a client (?)

Roger

> 
> 	Andy
> 
>> 
>> Roger
>> 
>>> 	Andy
>>> 
>>>> 
>>>> Regards,
>>>> Dave
>>>> 
>>>> 
>>>>> 
>>>>> Ashok
>>>>> 
>>>> 
>>> 
>> 
>> ______________________________________________________________________
>> 
>>  Fujitsu Laboratories of Europe Limited
>>  Hayes Park Central, Hayes End Road, Hayes, Middlesex, UB4 8FE
>>  Registered No. 4153469
>> 
>>  This e-mail and any attachments are for the sole use of addressee(s) and
>>  may contain information which is privileged and confidential. Unauthorised
>>  use or copying for disclosure is strictly prohibited. The fact that this
>>  e-mail has been scanned by Trendmicro Interscan does not guarantee that
>>  it has not been intercepted or amended nor that it is virus-free.
>> 
>> 
> 

______________________________________________________________________
                                        
 Fujitsu Laboratories of Europe Limited
 Hayes Park Central, Hayes End Road, Hayes, Middlesex, UB4 8FE
 Registered No. 4153469
 
 This e-mail and any attachments are for the sole use of addressee(s) and
 may contain information which is privileged and confidential. Unauthorised
 use or copying for disclosure is strictly prohibited. The fact that this
 e-mail has been scanned by Trendmicro Interscan does not guarantee that 
 it has not been intercepted or amended nor that it is virus-free.
Received on Thursday, 13 December 2012 15:51:31 UTC

This archive was generated by hypermail 2.3.1 : Thursday, 9 May 2013 13:44:26 UTC