Table 6.71—DRM_Data_Quality

Property

Description

Superclass

· <DRM SEDRIS Abstract Base>

Class

· <DRM Data Quality>

Subclass

· none

Definition

An object of this class provides an FGDC-compatible description of the level of quality of the information contained in the aggregating SEDRIS object.

Example(s)

· Description of the level of data quality for the <DRM Feature>s within a particular thematic layer, such as vegetation.

Inherited field elements

field_name	range	Field_Data_Type
none

Field elements

field_name	range	Field_Data_Type
fictional^1		Boolean
property_accuracy^2		String
logical_consistency^3		String
completeness^4		String
absolute_horizontal_positional_accuracy^5		String
relative_horizontal_positional_accuracy^6		String
absolute_vertical_positional_accuracy^7		String
relative_vertical_positional_accuracy^8		String

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)

· zero or one <DRM Lineage>⁹

Component of (two-way) (inherited)

· none

Component of (two-way)

· zero or more <DRM Attribute Set>s

· zero or more <DRM Data Table>s

· zero or more <DRM Environment Root>s

· zero or more <DRM Feature>s

· zero or more <DRM Feature Model>s

· zero or more <DRM Geometry Hierarchy>s

· zero or more <DRM Geometry Model>s

· zero or more <DRM Model>s

· zero or one <DRM Transmittal Root>

Constraints

· none

Notes

¹ TRUE if any aspect of the data content intentionally deviates from the available source data (i.e., was 'made up' out of thin air); FALSE otherwise (Mandatory).

² Accuracy statement for <DRM Property Value> attached to <DRM Feature>s and <DRM Geometry>, or contained in <DRM Property Table>  (Optional).

³ Statement of logical consistency (Optional).

⁴ Statement of completeness (Optional).

⁵ Absolute horizontal positional accuracy (Optional).

⁶ Relative horizontal positional accuracy (Optional).

⁷ Absolute vertical positional accuracy (Optional).

⁸ Relative vertical positional accuracy (Optional).

⁹ If provided, the <DRM Lineage> instance specifies either:

a. information about the events and/or source data used in constructing the given <DRM Data Quality> instance, or

b. lack of knowledge about lineage.

Class diagram

<DRM Data Quality>