Knowledge Systems Laboratory, Stanford
University
3
Extensible
Markup Language (XML)
u“XML is like HTML, where you make up your own tags.”
uProvides a uniform method for describing and exchanging
data using the HTTP protocol
uHTML enables a universal method for displaying
data
„Tag a word to
be displayed in bold or italic
uXML provides a universal method for describing
data
„Declare
data to be a retail price, a sales tax, a book title, ...
uData is made up of characters or unparsed “entities”
uSubset of Standard Generalized Markup Language (SGML)
uDefined by the World Wide Web Consortium (W3C)