<precision>

<precision> indicates the numerical accuracy or precision associated with some aspect of the text markup.
モジュール certainty — 21 Certainty, Precision, and Responsibility
グローバル属性の他 att.scoping (@target, @match)
degree indicates the degree of precision to be assigned as a value between 0 (none) and 1 (optimally precise)
状態 任意
データ型 

<rng:ref name="data.probability"/>
data.probability
stdDeviation supplies a standard deviation associated with the value in question
状態 任意
データ型 

<rng:ref name="data.numeric"/>
data.numeric
当該モジュールを使用するもの
model.global.meta model.glossLike
下位
certainty: certainty precision respons
core: desc gloss
tagdocs: altIdent equiv
宣言 

<rng:element name="precision">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.scoping.attributes"/>
 <rng:optional>
  <rng:attribute name="degree">
   <rng:ref name="data.probability"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="stdDeviation">
   <rng:ref name="data.numeric"/>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:ref name="model.glossLike"/>
 </rng:zeroOrMore>
</rng:element>
element precision
{
   att.global.attributes,
   att.scoping.attributes,
   attribute degree { data.probability }?,
   attribute stdDeviation { data.numeric }?,
   model.glossLike*
}
例
<date xml:id="date001" notBefore="0014" notAfter="0064">About 50
years after the death of Augustus</date>
<precision target="#date001" match="@notAfter" degree="0.3"/>
<precision target="#date001" match="@notBefore" degree="0.9"/>