complexType "Attribute"

Namespace:	http://www.ivoa.net/xml/VODML/v1
Content:	complex, 1 attribute, 6 elements
Defined:	globally in vo-dml.xsd; see XML source
Includes:	definition of 1 element
Used:	at 1 location

XML Representation Summary

<...

xs:string

Content:

vodml-id, name, description?, datatype, multiplicity, semanticconcept?

</...>

Content Model Elements (6):

All Direct / Indirect Based Elements (1):

Known Usage Locations

As direct type of elements (1):
attribute (type Attribute)

An Attribute is a Role where the target datatype is a ValueType. It represent "simple" properties of its container type, which can be an ObjectType or a DataType.

Must refer to a ValueType.

Type Definition Detail

Type Derivation Tree

ReferableElement (extension)

Role (extension)

Attribute

XML Source (see within schema source)

<xsd:complexType name="Attribute">

<xsd:annotation>

<xsd:documentation>

An Attribute is a Role where the target datatype is a ValueType.
It represent "simple" properties of its container type, which can be an ObjectType or a DataType.

</xsd:documentation>

<xsd:documentation>

Must refer to a ValueType.

</xsd:documentation>

</xsd:annotation>

<xsd:complexContent>

<xsd:extension base="Role">

<xsd:sequence>

<xsd:element minOccurs="0" name="semanticconcept" type="SemanticConcept">

<xsd:annotation>

<xsd:documentation>

It is possible to assign a SemanticConcept to an attribute definition.
This means that the values of the attribute have to comply with the definition of the
SemanticConcept.
This can be done in two manners. Either the SemanticConcept
gives a link to a semantic vocabulary, in which case the value must be a
concept defined in that vocabulary.
Or it defines a topConcept, in which case the value must be a concept that is explicitly
declared to be (narrower than)
that concept, or a concept that is narrower than that concept.
FOr details on the interpretation see the VO-DML document.

</xsd:documentation>

</xsd:annotation>

</xsd:element>

</xsd:sequence>

</xsd:extension>

</xsd:complexContent>

</xsd:complexType>

Attribute Detail (all declarations; 1)

Type:	xsd:string
Use:	optional
Defined:	locally within ReferableElement complexType

A referencable element may be given an @id attribute to reflect an identifier defined in some source document form which a VO-DML model may have been derived.

XML Source (see within schema source)

<xsd:attribute name="id" type="xsd:string" use="optional">

<xsd:annotation>

<xsd:documentation>

A referencable element may be given an @id attribute to reflect an identifier
defined in some source document form which a VO-DML model may have been derived.

</xsd:documentation>

</xsd:annotation>

</xsd:attribute>

Content Element Detail (all declarations; 6)

Type:	ElementRef, complex content
Defined:	locally within Role complexType

Reference to the type that plays the role represented by this Role.

XML Source (see within schema source)

<xsd:element name="datatype" type="ElementRef">

<xsd:annotation>

<xsd:documentation>

Reference to the type that plays the role represented by this Role.

</xsd:documentation>

</xsd:annotation>

</xsd:element>

Type:	xsd:string, simple content
Defined:	locally within ReferableElement complexType

Human readable description of the model element.

XML Source (see within schema source)

<xsd:element minOccurs="0" name="description" type="xsd:string">

<xsd:annotation>

<xsd:documentation>

Human readable description of the model element.

</xsd:documentation>

</xsd:annotation>

</xsd:element>

Type:	Multiplicity, complex content
Defined:	locally within Role complexType

The multiplicity of the role (also called cardinality) indicates whether it must have a value or may be without value, or possibly how many values are allowed.

XML Source (see within schema source)

<xsd:element name="multiplicity" type="Multiplicity">

<xsd:annotation>

<xsd:documentation>

The multiplicity of the role (also called cardinality) indicates whether it must have a
value or may be without value, or possibly how many values are allowed.

</xsd:documentation>

</xsd:annotation>

</xsd:element>

Type:	VODMLName, simple content
Defined:	locally within ReferableElement complexType

The name of the model element. MUST NOT be an empty string.

XML Source (see within schema source)

<xsd:element minOccurs="1" name="name" type="VODMLName">

<xsd:annotation>

<xsd:documentation>

The name of the model element.
MUST NOT be an empty string.

</xsd:documentation>

</xsd:annotation>

</xsd:element>

Type:	SemanticConcept, complex content
Defined:	locally within (this) Attribute complexType

It is possible to assign a SemanticConcept to an attribute definition. This means that the values of the attribute have to comply with the definition of the SemanticConcept. This can be done in two manners. Either the SemanticConcept gives a link to a semantic vocabulary, in which case the value must be a concept defined in that vocabulary. Or it defines a topConcept, in which case the value must be a concept that is explicitly declared to be (narrower than) that concept, or a concept that is narrower than that concept. FOr details on the interpretation see the VO-DML document.

XML Source (see within schema source)

<xsd:element minOccurs="0" name="semanticconcept" type="SemanticConcept">

<xsd:annotation>

<xsd:documentation>

</xsd:documentation>

</xsd:annotation>

</xsd:element>

Type:	VODMLID, simple content
Defined:	locally within ReferableElement complexType

Identifier for its containing element. Extracted as a separate type so that we can easily adapt to a different identifier design.

XML Source (see within schema source)

<xsd:element minOccurs="1" name="vodml-id" type="VODMLID">

<xsd:annotation>

<xsd:documentation>

Identifier for its containing element.
Extracted as a separate type so that we can easily adapt to a different identifier design.

</xsd:documentation>

</xsd:annotation>

</xsd:element>

This XML schema documentation has been generated with DocFlex/XML RE 1.8.0 using DocFlex/XML XSDDoc 2.2.0 template set.

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