| <relation>  (relationship) describes any kind of relationship or linkage amongst a specified
group of participants. 15.2.2 The Participant Description | 
| Modul | namesdates — 13 Names, Dates, People, and Places | 
| Attribute |  att.datable (att.datable.w3c (@period, @when, @notBefore, @notAfter, @from, @to))  (att.datable.iso (@when-iso, @notBefore-iso, @notAfter-iso, @from-iso, @to-iso)) att.editLike (@cert, @resp, @evidence, @source)  (att.dimensions (@unit, @quantity, @extent, @atLeast, @atMost, @min, @max, @precision, @scope)) att.naming (@nymRef)  (att.canonical (@key, @ref)) | type | categorizes the relationship in some respect, e.g.
as social, personal or other.| Zustand  | Optional |  | Datentyp  |  |  | Empfohlene Werte sind: | - social
 - relationship concerned with social roles
 - personal
 - relationship concerned with personal roles, e.g.
kinship, marriage, etc. [Vorgabe]
 - other
 - other kinds of relationship
 
  |  
  |  | name | supplies a name for the kind of  relationship of which
	this is an instance.| Zustand  | Obligatorisch |  | Datentyp  |  |  | Werte  | an open list of application-dependent keywords |  
  |  | active | identifies the ‘active’ participants in a non-mutual
relationship, or all the participants in a mutual one.| Zustand  | Optional |  | Datentyp  |  1–∞ Vorkommen von  Durch Leerzeichen getrennt |  | Werte  | a list of identifier values for participant or participant
groups |  
  |  | mutual | supplies a list of participants amongst all of whom the relationship holds equally.| Zustand  | Obligatorisch wenn zutreffend |  | Datentyp  |  1–∞ Vorkommen von  Durch Leerzeichen getrennt |  | Werte  | a list of identifier values for participant or participant
groups |  
  |  | passive | identifies the ‘passive’ participants in a non-mutual
relationship.| Zustand  | Optional |  | Datentyp  |  1–∞ Vorkommen von  Durch Leerzeichen getrennt |  | Werte  | a list of identifier values for participant or participant
groups |  
  |  
  | 
| Verwendet von |  | 
| Kann enthalten |  | 
| Deklaration |  <rng:element name="relation"> <rng:ref name="att.global.attributes"/> <rng:ref name="att.datable.w3c.attributes"/> <rng:ref name="att.datable.iso.attributes"/> <rng:ref name="att.editLike.attributes"/> <rng:ref name="att.dimensions.attributes"/> <rng:ref name="att.naming.attributes"/> <rng:ref name="att.canonical.attributes"/> <rng:optional>  <rng:attribute name="type" a:defaultValue="personal">   <rng:choice>    <rng:value>social</rng:value>    <rng:value>personal</rng:value>    <rng:value>other</rng:value>    <rng:data type="Name"/>   </rng:choice>  </rng:attribute> </rng:optional> <rng:attribute name="name">  <rng:ref name="data.enumerated"/> </rng:attribute> <rng:choice>  <rng:optional>   <rng:attribute name="active">    <rng:list>     <rng:oneOrMore>      <rng:ref name="data.pointer"/>     </rng:oneOrMore>    </rng:list>   </rng:attribute>  </rng:optional>  <rng:optional>   <rng:attribute name="mutual">    <rng:list>     <rng:oneOrMore>      <rng:ref name="data.pointer"/>     </rng:oneOrMore>    </rng:list>   </rng:attribute>  </rng:optional> </rng:choice> <rng:optional>  <rng:attribute name="passive">   <rng:list>    <rng:oneOrMore>     <rng:ref name="data.pointer"/>    </rng:oneOrMore>   </rng:list>  </rng:attribute> </rng:optional> <rng:optional>  <rng:ref name="desc"/> </rng:optional> </rng:element>
 
element relation
{
   att.global.attributes,
   att.datable.w3c.attributes,
   att.datable.iso.attributes,
   att.editLike.attributes,
   att.dimensions.attributes,
   att.naming.attributes,
   att.canonical.attributes,
   attribute type { "social" | "personal" | "other" | xsd:Name }?,
   attribute name { data.enumerated },
   (
      attribute active { list { data.pointer+ } }?
    | attribute mutual { list { data.pointer+ } }?
   ),
   attribute passive { list { data.pointer+ } }?,
   desc?
} | 
| Beispiel | <relation   type="social"   name="supervisor"   active="#p1"   passive="#p2 #p3 #p4"/> This indicates that the person with identifier p1 is supervisor of
persons p2, p3, and p4.  | 
| Beispiel | <relation type="personal" name="friends" mutual="#p2 #p3 #p4"/> This indicates that p2, p3, and p4 are all friends.  |