XML Schema - Java Data Mining: Strategy, Standard, and Practice - page 253

at the specified namespace; applications have to access this schema
by downloading it from [JDM11 2006]. Line 2 of Listing 10-2 shows the
root element called JDM . The JDM element can have children as one
header element (line 3) and multiple object elements (line 4). The header

Listing 10-2 JDM Schema elements

1. <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns=" http://www.jsr-73.org/2004/JDMSchema "
targetNamespace="http://www.jsr-73.org/2004/JDMSchema"
elementFormDefault="qualified">
2. <xsd:element name=" JDM ">
<xsd:complexType>
<xsd:sequence>
3. <xsd:element name=" header " type="Header"/>
4. <xsd:element name=" object " type="NamedObject" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
5. <xsd:attribute name="version" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>

6. <xsd:complexType name=" Header ">
<xsd:sequence>
<xsd:element name="copyright" type="xsd:string" minOccurs="0"/>
<xsd:element name="timestamp" type="xsd:date" minOccurs="0"/>
<xsd:element name="applicationName" type="xsd:string" minOccurs="0"/>
<xsd:element name="applicationVersion" type="xsd:string" minOccurs="0"/>
<xsd:element name="description" type="xsd:string" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>

7. <xsd:complexType name=" NamedObject ">
<xsd:sequence>
<xsd:choice>
<xsd:element name="task" type="Task"/>
<xsd:element name="buildSettings" type="BuildSettings"/>
<xsd:element name="model" type="Model"/>
<xsd:element name="logicalData" type="LogicalData"/>
<xsd:element name="physicalDataSet" type="PhysicalDataSet"/>
<xsd:element name="testMetrics" type="TestMetrics"/>
<xsd:element name="taxonomy" type="Taxonomy"/>
<xsd:element name="costMatrix" type="CostMatrix"/>
<xsd:element name="applySettings" type="ApplySettings"/>
</xsd:choice>
</xsd:sequence>
</xsd:complexType>

. . . JDM complexTypes . . .
</xsd:schema>