Table 6.119 — DRM_Keywords

Property

Description

Class

  • <DRM Keywords>

Superclass

Subclass

  • None.

Definition

An instance of this DRM class specifies a set of keywords that apply to the environmental data, along with their type and reference source. The keywords are provided in an ISO 19115 compatible form. The environmental data refers to the object tree rooted at the aggregate of the <DRM Keywords> instance. If a <DRM Keywords> instance is shared by multiple aggregate objects, the environmental data refers to the collection of object trees rooted at its various aggregates.

The keyword_count field specifies the number of entries in keyword_array.

Each entry of the keyword_array field is a commonly used word or a formalized word or phrase used to describe the subject.

The type field specifies the subject matter used to group similar keywords in the <DRM Keywords> instance.

Class diagram

Figure 6.144 — DRM_Keywords

Inherited field elements

Field name

Range

Field data type

None

   

Field elements

Field name

Range

Field data type

keyword_count

 

Short_Integer_Positive

keyword_array

 

String[keyword_count]

type

 

MD_KeywordTypeCode

Default field values

Default field values for DRM_Keywords

Associated to (one-way) (inherited)

  • None.

Associated to (one-way)

  • None.

Associated by (one-way) (inherited)

  • None.

Associated by (one-way)

  • None.

Associated with (two-way) (inherited)

  • None.

Associated with (two-way)

  • None.

Composed of (two-way) (inherited)

  • None.

Composed of (two-way)

  • None.

Composed of (two-way metadata) (inherited)

  • None.

Composed of (two-way metadata)

Component of (two-way) (inherited)

  • None.

Component of (two-way)

Constraints

Clarifications

1If provided, the <DRM Citation> component identifies the formally registered thesaurus (or a similar authoritative source of keywords) from which the entries of keyword_array were drawn.

Example(s)