<taxonomy>

<taxonomy> 定義文件分類的類型學，可以是潛在地以書目資料的方式，或是明確地以結構分類法的方式來分類。 2.3.6 The Classification Declaration
組件header — 2 The TEI Header
屬性
屬於
classDecl
可包含
core: bibl biblStruct desc gloss
header: biblFull category
msdescription: msDesc
tagdocs: altIdent equiv
宣告

<rng:element name="taxonomy">
<rng:ref name="att.global.attributes"/>
<rng:choice>
 <rng:zeroOrMore>
  <rng:ref name="model.glossLike"/>
 </rng:zeroOrMore>
 <rng:oneOrMore>
  <rng:ref name="category"/>
 </rng:oneOrMore>
 <rng:group>
  <rng:group>
<!-- this group a hack for odd2dtd processing -->
   <rng:ref name="model.biblLike"/>
  </rng:group>
  <rng:zeroOrMore>
   <rng:ref name="category"/>
  </rng:zeroOrMore>
 </rng:group>
</rng:choice>
</rng:element>
element taxonomy
{
   att.global.attributes,
   ( model.glossLike* | category+ | ( ( model.biblLike ), category* ) )
}
例子
<taxonomy xml:id="tax.b">
 <bibl>Brown Corpus</bibl>
 <category xml:id="tax.b.a">
  <catDesc>Press Reportage</catDesc>
  <category xml:id="tax.b.a1">
   <catDesc>Daily</catDesc>
  </category>
  <category xml:id="tax.b.a2">
   <catDesc>Sunday</catDesc>
  </category>
  <category xml:id="tax.b.a3">
   <catDesc>National</catDesc>
  </category>
  <category xml:id="tax.b.a4">
   <catDesc>Provincial</catDesc>
  </category>
  <category xml:id="tax.b.a5">
   <catDesc>Political</catDesc>
  </category>
  <category xml:id="tax.b.a6">
   <catDesc>Sports</catDesc>
  </category>
 </category>
 <category xml:id="tax.b.d">
  <catDesc>Religion</catDesc>
  <category xml:id="tax.b.d1">
   <catDesc>Books</catDesc>
  </category>
  <category xml:id="tax.b.d2">
   <catDesc>Periodicals and tracts</catDesc>
  </category>
 </category>
</taxonomy>