<taxonomy>

<taxonomy> defines a typology either implicitly, by means of a bibliographic citation, or explicitly by a structured taxonomy. [2.3.6 The Classification Declaration]
組件header — 2 The TEI Header
屬性att.global (@xml:id, @n, @xml:lang, @rend, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change))
屬於
可包含在於
header: classDecl
可包含
certainty: certainty precision respons
core: bibl biblStruct desc gloss
header: biblFull category
msdescription: msDesc
namesdates: listRelation relationGrp
tagdocs: altIdent equiv
宣告

<rng:element name="taxonomy">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:choice>
  <rng:zeroOrMore>
   <rng:ref name="model.glossLike"/>
  </rng:zeroOrMore>
  <rng:oneOrMore>
   <rng:ref name="category"/>
  </rng:oneOrMore>
  <rng:group>
   <rng:group>
    <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,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.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>