Requirement

Title	Filter encoding
Identifier	SWIM-DEFN-310
Requirement	If information service payload filtering is expected, a service definition shall include or refer to information about the filter encoding.
Rationale	This requirement ensures that the precise meaning of the filter expressions is understood.
Verification	Completeness: If filter expressions are expected, verify that the filter encoding is included. Consistency: Not Applicable. Correctness: Not Applicable.
Examples/Notes	Note: Standards such as the spatial, temporal and logical operators defined in the OGC Filter Encoding Standard [RD 14] can be referenced. Example: The service shall support the BBOX spatial operator defined in the OGC Filter Encoding 2.0 Encoding Standard. Example: The service shall support filtering based on logical, geographical and temporal operators including data set series, period of validity, geographical scope, limitations on use and title.
Level of Implementation	Mandatory - Conditional

Guidance

Completeness

Check that:

[ ] The service definition includes or refers to information about the filter encoding if filter expressions are applied.

Links to example service definitions can be found in the example service definitions page.