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Table 2 Our inclusion of ISO 19115 metadata elements for data discovery

From: A metadata ADE for CityGML

Metadata element

Inclusion

Comment

Metadata reference information

Included

-

Resource title

Included

-

Resource reference data

Included

-

Resource identifier

Included

-

Resource point of contact

Included

-

Geographic location

Modified

Coordinate representation is supported in the Extent element and therefore geographic location was restricted to a string representation.

Resource language

Included

-

Resource topic category

Included

-

Spatial resolution

Excluded

This category is supported for rasters in the Relief module but is not applicable at the city model level

Resource type

Included

-

Resource abstract

Included

-

Extent information for the dataset (additional)

Modified

This was renamed to Extent and follows the Extent package in ISO 19115. Modifications include removing Vertical Extent as a separate category and instead making Geographic Extent explicitly 3D. Geographic Extent is given a mandatory obligation and Temporal Extent is optional.

Resource lineage

Included

-

Resource on-line Link

Included

-

Keywords

Included

-

Constraints on resource access and use

Included

-

Metadata date stamp

Included

-

Metadata point of contact

Included

-