Metadata at the resource level¶
Field Name | Description | Mandatory (M)/Optional (O) | Maximum Occurrence | Data Type [1] | Validators and Converters [2] |
---|---|---|---|---|---|
URL | The url of the resource. | O | 1 | gco:CharacterString | ignore_missing unicode remove_whitespace |
Name | The title of the resource. | O | 1 | gco:CharacterString | |
Description | You can add a longer description of the resource here. | O | 1 | gco:CharacterString | |
Encoding | The character encoding of the resource (e.g., UTF-8 or Big5). | O | 1 | Encoding_type | scheming_required scheming_choices |
Coordinate Systems [3] | The coordinate systems of the spatial resource. | O | 1 | gco:Integer | ignore_empty is_positive_integer |
Format [4] | The file format of the resource (e.g., CSV [5], XLS, JSON, or PDF). | O | 1 | gco:CharacterString | if_empty_guess_format ignore_missing clean_format unicode |
[1] | For details please refer to appendix: Data Type. |
[2] | CKAN has the validator mechanism to check if the given value is valid. CKAN also comes with converters to transform the given value into a valid value. |
[3] | The EPSG (European Petroleum Survey Group) system has been used. |
[4] | The data preview function will check this field to specify a proper resource view. Please refer to Extended feature — Data preview and visualization. |
[5] | Comma-separated values |