Hi Gerd, >> On the data side, using a skeletal HDF5/XML dump of a datafile to check > that >> it is valid according to some domain-specific schema will be handy.
> We were thinking of a more constraint-based approach, i.e., a domain expert > would > supply an XQuery (or XSL) transform that would convert an HDF5/XML > representation > into a Boolean valued checklist so that non-compliance can be easily > assessed. > The XQuery transform would consist more or less of a list of user-defined > predicates (Boolean functions) which check, e.g., for the presence of > certain > groups or attributes, certain sizes etc. That XQuery approach sounds handy for details like making sure different datasets have congruent sizes. Still, for gross structural validation I'd much rather have a schema. Sounds like both approaches might have a place. Fortunately XML gives you both for free once HDF5/XML is involved. - Rhys _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
