The Sub-Objects that have been defined in the Data Model are listed, with a '+' button trailing the name of the Sub-Object. Click on the '+' button to open the Sub-Object as a filter form. Using the 'Sub-Objects: Any' filter form you can create a filter that performs a filter on all available Sub-Objects.


Specify if a Sub-Object exists, or the amount of Sub-Objects that exist.


Set dates during which Sub-Objects should exist.


Enter two dates in the input fields to specify a range. A date can be entered in the form of DD-MM-YYYY, MM-YYYY, YYYY.


Use the green 'create' button to create a Chronology Statement to be used as a filter.

Change the 'Date' drop-down menu to 'Path' to use another Filter and a Scope to create a relative chronological filter.

Click the grey 'more' button and set the option to 'Empty' to find Sub-Objects that do not have a date specified.


Use the numeral operators to find points in time.


Set locations in which Sub-Objects should exist.


Specify the Type to be used for the Location Reference and select the Sub-Object of this Type used for the filtering. Search for the Object.

Click the grey 'more' button to specify whether this Location Reference Filter should be applied to the selected Object ('Self') or should be applied to the Object that contains the spatial data ('Resolve').


Paste in GeoJSON data or click the green 'create' button to use an external service to create GeoJSON data.

Click the grey 'more' button to specify whether this Description should contain any values or not.


Fill in latitude and longitude values, or use the green 'map' button to select a location on the map.  Click the grey 'more' button to show an input field to specify a radius to filter on.