1<?xml version="1.0" encoding="utf-8"?>
 2<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
 3  xmlns="http://schemas.openxmlformats.org/officeDocument/2006/characteristics"
 4  targetNamespace="http://schemas.openxmlformats.org/officeDocument/2006/characteristics"
 5  elementFormDefault="qualified">
 6  <xsd:complexType name="CT_AdditionalCharacteristics">
 7    <xsd:sequence>
 8      <xsd:element name="characteristic" type="CT_Characteristic" minOccurs="0"
 9        maxOccurs="unbounded"/>
10    </xsd:sequence>
11  </xsd:complexType>
12  <xsd:complexType name="CT_Characteristic">
13    <xsd:attribute name="name" type="xsd:string" use="required"/>
14    <xsd:attribute name="relation" type="ST_Relation" use="required"/>
15    <xsd:attribute name="val" type="xsd:string" use="required"/>
16    <xsd:attribute name="vocabulary" type="xsd:anyURI" use="optional"/>
17  </xsd:complexType>
18  <xsd:simpleType name="ST_Relation">
19    <xsd:restriction base="xsd:string">
20      <xsd:enumeration value="ge"/>
21      <xsd:enumeration value="le"/>
22      <xsd:enumeration value="gt"/>
23      <xsd:enumeration value="lt"/>
24      <xsd:enumeration value="eq"/>
25    </xsd:restriction>
26  </xsd:simpleType>
27  <xsd:element name="additionalCharacteristics" type="CT_AdditionalCharacteristics"/>
28</xsd:schema>