[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Alternatives to XML Schemas
> Unfortunately, there are many implementors who will heed your advice. I have > so far identified only a few implementations of XML Schema. Each is focused > on one very narrow use case (typically validation) and each supports only a > subset of the spec. The reason why XML Schemas will initially be used for validation most is because, until we get DOM and SAX APIs for the PSVI or XSLT 2 and XPath2 come along (for better or worse), all PSVI solutions are proprietary or hidden inside an application and so invisible. I would guess there will be three waves of XML Schemas adoption: first for valiation (wave already broken), second for the generation of interfaces (this wave is on fast apon us) and third for PSVI processing (only just on the horizon, practically speaking, because the requirements are still being gathered). If your need is only for validation or the generation of interfaces, then you will clearly have a different evaluation of the feature set of XML Schemas than someone (assuming they actually exist :-) who needs a PSVI (or if you could just as easily use the schema for providing type information to queries rather than to the PSVI data itself.) Cheers Rick Jelliffe
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