<?xml version="1.0" encoding="utf-8"?><xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:src="http://nwalsh.com/xmlns/litprog/fragment" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.bcXML.org/2003/bcXML" targetNamespace="http://www.bcXML.org/2003/bcXML" elementFormDefault="qualified">
        <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>
        <xs:element name="Taxonomy" type="TaxonomyType"/>
      
        <xs:complexType name="TaxonomyType">
          <xs:complexContent>
            <xs:extension base="DescriptionType">
              <xs:sequence>
                <xs:element ref="Object" minOccurs="1" maxOccurs="unbounded"/>
              </xs:sequence>
              <xs:attribute ref="xml:lang" use="required"/>
            </xs:extension>
          </xs:complexContent>
        </xs:complexType>
      
        <xs:element name="Object" type="ObjectType">
          <xs:key name="ObjectKey">
            <xs:selector xpath="Object"/>
            <xs:field xpath="@id"/>
          </xs:key>
          <xs:keyref name="SupertypeKeyRef" refer="ObjectKey">
            <xs:selector xpath="Object"/>
            <xs:field xpath="SupertypeRef"/>
          </xs:keyref>
          <xs:keyref name="PartKeyRef" refer="ObjectKey">
            <xs:selector xpath="Object"/>
            <xs:field xpath="PartRef"/>
          </xs:keyref>
          <xs:keyref name="RestrictedValueKeyRef" refer="ObjectKey">
            <xs:selector xpath="Object/Property"/>
            <xs:field xpath="AllowedObjectRef"/>
          </xs:keyref>
        </xs:element>
      
        <xs:complexType name="ObjectType">
          <xs:complexContent>
            <xs:extension base="DescriptionType">
              <xs:sequence>
                <xs:element name="SupertypeRef" type="xs:NCName" minOccurs="0"/>
                <xs:element name="Property" type="PropertyType" minOccurs="0" maxOccurs="unbounded"/>
                <xs:element name="PartRef" type="xs:NCName" minOccurs="0" maxOccurs="unbounded"/>
              </xs:sequence>
              <xs:attribute name="id" use="required" type="xs:NCName"/>
            </xs:extension>
          </xs:complexContent>
        </xs:complexType>
      
        <xs:complexType name="PropertyType">
          <xs:complexContent>
            <xs:extension base="DescriptionType">
              <xs:choice>
                <xs:element name="Measure" minOccurs="0" maxOccurs="unbounded">
                  <xs:complexType>
          <xs:sequence>
            <xs:element name="Unit" minOccurs="0" maxOccurs="1">
              <xs:simpleType>
                <xs:restriction base="xs:string">
                  <xs:pattern value="[a-zA-Z0-9/*^]+"/>
                </xs:restriction>
              </xs:simpleType>
            </xs:element>
            <xs:element name="Context" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="RestrictedValue" minOccurs="0" maxOccurs="unbounded">
              <xs:complexType>
                <xs:complexContent>
                  <xs:extension base="DescriptionType">
                    <xs:attribute name="localid" use="required" type="xs:NCName"/>
                  </xs:extension>
                </xs:complexContent>
              </xs:complexType>
            </xs:element>
            <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
          </xs:sequence>
          <xs:anyAttribute namespace="##other" processContents="lax"/>
        </xs:complexType>
      
                </xs:element>
                <xs:element name="AllowedObjectRef" type="xs:NCName" minOccurs="0" maxOccurs="unbounded"/>
              </xs:choice>
              <xs:attribute name="localid" use="required" type="xs:NCName"/>
            </xs:extension>
          </xs:complexContent>
        </xs:complexType>
      
        <xs:complexType name="DescriptionType" abstract="true"> 
          <xs:sequence>
            <xs:element name="Name" type="TranslatableType" minOccurs="1" maxOccurs="unbounded"/>
            <xs:element name="Explanation" type="TranslatableType" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="Synonym" type="TranslatableType" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="ExternalReference" type="ExternalReferenceType" minOccurs="0" maxOccurs="unbounded"/>
            <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
          </xs:sequence>
          <xs:anyAttribute namespace="##other" processContents="lax"/>
        </xs:complexType>
      
        <xs:complexType name="TranslatableType" abstract="true">
          <xs:simpleContent>
            <xs:extension base="xs:string">
              <xs:attribute ref="xml:lang" use="required"/>
            </xs:extension>
          </xs:simpleContent>
        </xs:complexType>
      
        <xs:complexType name="ExternalReferenceType" abstract="false">
          <xs:simpleContent>
            <xs:extension base="xs:string">
              <xs:attribute name="type" use="optional"/>
            </xs:extension>
          </xs:simpleContent>
        </xs:complexType>
      
      </xs:schema>
    