Is XPATH the way to search a data model?

[David Berry]

> > Indeed I think Pierre understood my email correctly.
> > I think it is not the datamodel that should be optimized for XQuery+XPath
> > (+XSLT ?)
> > but (a) possible binding(s) of the data model to an XML schema.
>
> Yes, of course, I was not implying that XPath/XQuery/XSLT were drivers
> for the interfaces on the Q (or other DM components).  They *are* drivers
> for the XML serialization.
>
> I'll note that this "violates" the perceived (and expressed) design opinion
> of some on this list that the data model and its serializations always have
> one-to-one correspondence.

Such a design opinion cannot really hold when you start to think about
serialising with FITS. In fact what would the point be of having more
than one serialisation if there were all one-to-one with the DM?

David