relation

<relation>

<relation> (relationship) describes any kind of relationship or linkage amongst a specified group of participants. 15.2.2 The Participant Description

Module

namesdates — 13 Names, Dates, People, and Places

Attributes

[att.datable att.editLike att.naming ]

type

categorizes the relationship in some respect, e.g. as social, personal or other.

Status

Optional

Datatype

<rng:ref name="data.enumerated"/>

data.enumerated

Suggested values include:

social	relationship concerned with social roles
personal	relationship concerned with personal roles, e.g. kinship, marriage, etc. [Default]
other	other kinds of relationship

name

supplies a name for the kind of relationship of which this is an instance.

Status	Required
Datatype	<rng:ref name="data.enumerated"/> data.enumerated
Values	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.

Status	Optional
Datatype	1–∞ occurrences of <rng:ref name="data.pointer"/> data.pointer separated by whitespace
Values	a list of identifier values for participant or participant groups

mutual

supplies a list of participants amongst all of whom the relationship holds equally.

Status	Mandatory when applicable
Datatype	1–∞ occurrences of <rng:ref name="data.pointer"/> data.pointer separated by whitespace
Values	a list of identifier values for participant or participant groups

passive

identifies the ‘passive’ participants in a non-mutual relationship.

Status	Optional
Datatype	1–∞ occurrences of <rng:ref name="data.pointer"/> data.pointer separated by whitespace
Values	a list of identifier values for participant or participant groups

Declaration

<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.naming.attributes"/>
 <rng:optional>
  <rng:attribute name="type" 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.naming.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?
}

Example

This indicates that the person with identifier p1 is supervisor of persons p2, p3, and p4.

Example

This indicates that p2, p3, and p4 are all friends.

Note

Only one of the attributes active and mutual may be supplied; the attribute passive may be supplied only if the attribute active is supplied. Not all of these constraints can be enforced in all schema languages.

Contained by

listNym listOrg listPerson listPlace relationGrp

May contain

core: desc

P5: Guidelines for Electronic Text Encoding and Interchange

<relation>