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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Namespaces and Schemes
 > No clear what you mean by a "scheme [sic]"? > > I'd certainly be interested in a bit more detail on why it's obvious > that XML Schema is not appropriate for your needs. I'm not saying it isn't appropriate: far from it! Rather I'm asking "is it appropriate?" By Scheme, I mean: "Syntactic Schema: A document, real or imagined, which constrains the structure and/or type of data. (pl.: Schemata)." - Tim Berners-Lee, http://www.w3.org/DesignIssues/Evolution.html My major concern is how we validate documents declard to be within a certain Namespace. Deosn't XSV just assume that there is an XML Schema on the end of it? For example:- <html xmlns="http://www.w3.org/1999/xhtml" xmlns:xsi='http://www.w3.org/1999/XMLSchema-instance' xmlns:t='http://www.w3.org/2000/TR/smil-animation10' xmlns:util="http://www.w3.org/XML/2000/04schema-hacking/comment#" xsi:schemaLocation="http://www.w3.org/1999/xhtml html.xsd" > [...] - http://www.w3.org/XML/2000/04schema-hacking/comment-test.html XSV validates the util: namespace without any suggesiton of there being a Schema for at the end of it (sorry, appears to, I'm not sure what's really going on: please explain!). My question again: "Now, I want to 'attach' a scheme [sic] to the namespace, that tells both humans and parsers not only what the content and structure of the document is, but what it means as well. Question: How do I best go about doing this?" BTW: TimBL also wrote: [[[ Levels of schema language Computer languags can be classified into various types, with various capabilities, and the sort we chose for the schema document, and information we allow the schema fundamentally affects not just what the semantic web can be but, more importantly, how it can grow. The schema document can, broadly, be one of the following: 1. Notional only: imaginary, non-existent but named. 2. Human readable 3. Machine-understandable and defining structure 4. Machine-understandable and slo which are optional parts 5. A Turing-complete recipe for conversion into othr langauges 6. A logical model of document ]]] - http://www.w3.org/DesignIssues/Evolution.html What should I be using for a Semantic Web interface language, where I want to validate a document with many namespaces, all interacting? Quite a mess, I'm sure you'll agree. If only we could have a protocol for validation for namespaces... Kindest Regards, Sean B. Palmer ---------------------------------------------------- The Semantic Web: A Resource - http://xhtml.waptechinfo.com/swr/ WAP Tech Info - http://www.waptechinfo.com/ Mysterylights.com - http://www.mysterylights.com/ ---------------------------------------------------- "The Internet; is that thing still around?" - Homer J. Simpson 
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