Re: oa:List spec

Hi Rob,

You are right, well spotted!
The rdf:nil should indeed be present to indicate that the list is "closed".

Best,

Antoine


> I \think/ the following is meaningful and right about
> http://www.openannotation.org/spec/core/20130208/multiplicity.html#List
>
> 1. The turtle example doesn't specify that the list ends in rdf:nil
> although the picture does.  I think you need something like
>    rdf:rest [ rdf:first<selector2>  ;
>                    rdf:rest rdf:nil ]
> as the end of<list1>
>
> 2. Well, the spec doesn't actually require or even suggest an oa:List
> should be terminated by rdf:nil,  but IMO it would be a good help for
> consumers.  Maybe those looking at the rdf ordering problem already
> have discussed this issue.
>
>
> --
> Robert A. Morris
>
> Emeritus Professor  of Computer Science
> UMASS-Boston
> 100 Morrissey Blvd
> Boston, MA 02125-3390
>
> IT Staff
> Filtered Push Project
> Harvard University Herbaria
> Harvard University
>
> email: morris.bob@gmail.com
> web: http://efg.cs.umb.edu/
> web: http://wiki.filteredpush.org
> http://www.cs.umb.edu/~ram
> ===
> The content of this communication is made entirely on my
> own behalf and in no way should be deemed to express
> official positions of The University of Massachusetts at Boston or
> Harvard University.
>

Received on Thursday, 2 May 2013 07:31:52 UTC