Arrays issue - Re: [dfdl-wg] Issues: additional data types

[Mike Beckerle]

I need an example of this blobby array scheme. To me this concept makes no 
sense. We're embedded in XSD's type system, so if you can talk about 
arrays at all, then there has to be a logical model for them, and that 
means a way to talk about them in XSD independent of DFDL annotations.

We COULD propose an extension to XSD for arrays. Is that what you mean?

...mikeb

Mike Beckerle
Architect, Scalable Computing
IBM Software Group
Information Integration Solutions
Westborough, MA



Jim Myers <jimmyers at ncsa.uiuc.edu> 
Sent by: owner-dfdl-wg at ggf.org
09/06/2005 12:44 PM

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dfdl-wg at gridforum.org
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Subject
Re: Arrays issue - Re: [dfdl-wg] Issues: additional data types







>
>Array as blob:  markup says 'this is an array, laid out like so',
>data is a big blob. (Probably this is what Jim is talking about)

Yes


>Array as external blob:  same as above, except payload is a URL,
>e.g., to OpenDAP server where the data is. (Ideal for "virtual datasets")
>

I definitely want to see data virtualization services based on DFDL, but I 

don't think we need do anything specific in the language to provide 
externally available access methods for parts of the described data set.

   Jim 


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