Lab 20: XML
   - Do the exercise from the powerpoint lecture.
 
   - Draw up an XML tag set for University Courses.
 
   - Is a Uni-ML a good idea?
 
   - Discuss how a web service platform for Universities might
       work.  
 
   - How would the acronymys XML, DOM, SAX, XSL, XSLT, JDBC, WSDL,
       UDDI, and SOAP relate to this web service platform?