What are schemata

James K. Tauber jtauber at jtauber.com
Sun May 31 18:20:54 BST 1998

> * James K. Tauber
> |
> | So is a schema a function that maps a document to a truth value?
> I'd rather say that it is a definition of a set of documents, just as
> a formal language is usually considered to be the set of sentences
> that are well-formed in that language.

Yep. What I was trying to stress was, is there anything more to a schema
than boolean validity?  (ie is this document a member of the set of
documents described by the schema). I would say so. DTDs go a little bit
beyond this with notations, etc.


James Tauber / jtauber at jtauber.com
Perth, Western Australia
XML Pages: http://www.jtauber.com/xml/

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