<?xml version=“1.0” encoding=“utf-8”?> <xsd:schema xmlns:xsd=“www.w3.org/2001/XMLSchema

xmlns="http://schemas.openxmlformats.org/officeDocument/2006/characteristics"
targetNamespace="http://schemas.openxmlformats.org/officeDocument/2006/characteristics"
elementFormDefault="qualified">
<xsd:complexType name="CT_AdditionalCharacteristics">
  <xsd:sequence>
    <xsd:element name="characteristic" type="CT_Characteristic" minOccurs="0"
      maxOccurs="unbounded"/>
  </xsd:sequence>
</xsd:complexType>
<xsd:complexType name="CT_Characteristic">
  <xsd:attribute name="name" type="xsd:string" use="required"/>
  <xsd:attribute name="relation" type="ST_Relation" use="required"/>
  <xsd:attribute name="val" type="xsd:string" use="required"/>
  <xsd:attribute name="vocabulary" type="xsd:anyURI" use="optional"/>
</xsd:complexType>
<xsd:simpleType name="ST_Relation">
  <xsd:restriction base="xsd:string">
    <xsd:enumeration value="ge"/>
    <xsd:enumeration value="le"/>
    <xsd:enumeration value="gt"/>
    <xsd:enumeration value="lt"/>
    <xsd:enumeration value="eq"/>
  </xsd:restriction>
</xsd:simpleType>
<xsd:element name="additionalCharacteristics" type="CT_AdditionalCharacteristics"/>

</xsd:schema>