Documentation: A VMR query uses 'vmr_specification' to specify constraints on attribute values of VMR instances that should be queried for. The optional 'selection_attribute' selects values of specific slots that should be returned. The 'aggregation_operator' aggregates the returned values.

Superclasses

• Expression

Subclasses

• None

Types

• :STANDARD-CLASS

Template Slots
	Slot Name	Documentation	Type	Cardinality
	aggregation_operator	Operator to reduce the set of results returned by a VMR_Query into a single result	{most_recent, average, number_of, first, any}	0:1
	label	A short human readable string indicating the content of the instancehuman-readable string for the instance	String	0:1
	selection_attribute	The attribute whose value should be returned from the instances that satisfy VMR_Query	:STANDARD-SLOT	0:1
	vmr_specification	The VMR class whose values should be returned in the VMR query	DataModel	1:1

Own Slots
	Slot Name	Value
	:ROLE	Concrete
	:SLOT-CONSTRAINTS

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