DTD, XML schema, RDF,RELAX which one
i have a repository of objects defined with xml, with which i need to have a:
- basic common definition with a wide variety of binary objects ( read pictures, html, text, etc )
- method of inheritance of attributes and methods ( read classes and instances)
- remote and local transformation of xml through XSL ( read SOAP/XML-RPC )
i have done this successfully ; i stuck with DTD as my base schema and validating method
vague definition of problem, yes, but the question i have is multiple choice ( or not ), with respect to schema definition:
- should i stick with DTD, due to innate fear the below technologies won't stick ( and parsers aren't supported )
- go the whole hog with RDF, and gain the benefits of their lovely inheritance structure
- XML schema
- figure out how Schematron and RELAX fit in the picture
i have posted here, as i choose XSL in january as the key technology that the repository interacts with; and i am extremely happy that XSL 'sticked'. i have also found that when looking through everything with XSL specs on; it affects architecture decisions ( read interfacing with xml databases, etc ).
there are some conflicting issues , think inheritance: one can inherit a document via
- xsl:import or xsl:include
- or through schema definition
these all have impact on which technology i choose with respect to using XSL. At the moment DTD are becoming cumbersome and manipulating them are creating side effects due to non-native xml format. IN addition, i can see a time where severe limitations will occur due to delaying my choice.
a simplified version of question;
" Which schema and validation technology is going to be the best choice when using XSL in the short, medium and long term future "
regards, jim fuller
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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