Documentation: Relation_Presence_Criterion specifies whether there exist instances of relation class (e.g., evidence statements) that match specified attributes when the condition evaluate to truet. For example, A Relation_Presence_Criterion may query, for the treatment of hypertension, where there exists any instance of Evidence_Statement for which the a compelling indication of ACE inhibitor is present?

Superclasses

• Criterion

Subclasses

• None

Types

• :STANDARD-CLASS

Template Slots
	Slot Name	Documentation	Type	Cardinality
	label	A short human readable string indicating the content of the instancehuman-readable string for the instance	String	0:1
	presence	Flag that indicates whether a query (or a criterion) should check for the presence or absence of data items.	Boolean	0:1
	relationship_class	The kind of relationship (currently Evidence_Statement is an example) whose instances should be queried.	Class	0:1
	relationship_qualifier	Any qualifier this relationship may have (for example, "compelling" indication or "absolute" contraindication)	ConceptDescriptor	0:1
	relationship_type	ideally one of a set of symbols for allowable types, (e.g., compelling indication) as yet undefined	ConceptDescriptor	1:1
	statement_subject	This slot specifies the suject matter of the evidence statement (e.g., prophylaxis of X or management of hypertension).	ConceptDescriptor	0:1
	to	The target in concept relationship	ConceptDescriptor	0:1

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

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