RE: What are schemata

James K. Tauber (jtauber@jtauber.com)
Mon, 1 Jun 1998 00:17:11 +0800


> * 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

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