1. Source Data: John Doe Analyze, XMLize Context: Hospital Patient Record Proposed Tag: John Doe 2 Well-formed XML document 0 1 Health Care Analyst A

2. Source Data: John Doe Analyze, XMLize Context: Hospital Patient Record Proposed Tag: John Doe 2 Well-formed XML document 0 1 Health Care Analyst B Problem: Same data, same context, different XMLization

3. VALIDATION – Exercising Control over your Data Schemas provide a means for specifying your entire XML ‘vocabulary’. Because they are written in XML they can be processed just like any other XML document. John Doe

4. John Doe 18-FEB-04 Patient showed severe malnutrition

5. John Doe 18-FEB-04 Patient showed severe malnutrition

6. In-Class Exercise Write the XSD for the following XML document: Dr. Alberts 18-FEB-04 John Doe Diabetes Kaiser Permanente