tailieunhanh - XML Mini-Tutorial

There are many problems with this approach: the semantics is encoded into text formatting tags; l there is no means of checking that a recipe is encoded correctly; l it is difficult to change the layout of recipes (CSS is not enough). l It would be much better to invent a special recipe markup language: | XML Mini-Tutorial TelT @ XML Mini-Tutorial Michael I. Schwartzbach Copyright 2000 BRICS University of Aarhus http mis ITU XML What is XML HTML vs. XML A conceptual view of XML A concrete view of XML Applications of XML XML technologies Namespaces The recipe example Schema languages A schema for recipes XLink XPointer and XPath Pointing at recipes XML-QL Querying the recipes XSLT A style sheet for recipes Exercises http mis ITU XML 18 09 2000 14 24 26 HTML JavaScript and XML Mini-Tutorials HTML JavaScript and XML Mini-Tutorials Michael I. Schwartzbach Copyright 2000 BRICS University of Aarhus http mis lTU These mini-tutorials are created as part of the course Internet Programming at the IT-University of Copenhagen. HTML PDF JavaScript PDF XML PDF http mis ITU XML 18 09 2000 14 24 28 XML what is it What is XML XML is a framework for defining markup languages J there is no fixed collection of markup tags each XML language is targeted at different application domains the languages will share many features there is a common set of tools for processing such languages. XML is not a replacement for HTML J HTML should ideally be just another XML language J in fact XHTML is just that J XHTML is a very popular XML language for hypertext markup. XML is designed to seperate syntax from semantics support internationalization Unicode and platform independence be the future of structured information including databases. http mis ITU XML 18 09 2000 14 24 29