Re: [office] Re: [office-metadata] [issue] split object literals

[Michael Brauer <Michael.Brauer@Sun.COM>]

Bruce D'Arcus wrote:
> 
> On Jan 10, 2007, at 9:06 AM, Michael Brauer wrote:
> 
> ...
> 
>> ... the case I'm talking about is that I want to say something about 
>> the text "Some Title", for instance, add the author or an additional 
>> description. Maybe I have overseen something, but isn't the subject in 
>> this case the text "Some title"? If so, how do you represent this?
> 
> Practically speaking, with the example of a title, the subject is either 
> the current document, or some other document; it would not be the span 
> of text. Moreover, that string is an object.

Is this a restriction of RDF? Is there no way to take a sub tree of an
XML element as a subject?


>>>>
>>>> The attribute that defines the id (in terms of XML) is xml:id. The 
>>>> office:belongs-to attributes are references to this id only. 
>>>> Although only a single id is used here, we cannot omit the 
>>>> <office:meta-subject> element, because we need to define the id that 
>>>> has to be unique.
>>> Why this last requirement?
>>
>> XML ids have to be unique.
> 
> Yes, but why do need the id?
> 
>> That is, there must not be more than one attributes of datatype ID 
>> that have the same value. We may of course take some attribute 
>> datatype, but then, the fragment identifier do now work anymore, 
>> because they operate on attributes of type ID only
>> .
> 
> Correct, but at least in RDF, one would never reference a property; not 
> part of the model. One references resources (subjects).

But what if the resource (subject) actually is an XML sub tree?

Michael