attribute group cardinality constraint
attribute group cardinality constraint
A constraint on the number of times that an attribute group may be included in the same concept definition or expression.
Notes
Cardinality constraints are represented by square brackets containing a minimum value value represented as an integer, optionally followed by two dots and a maximum value represented as an integer or as an asterisk *****.
If the maximum is omitted then the maximum cardinality is the same as the minimum cardinality.
If the maximum is an asterisk ***** the maximum cardinality is unlimited.
Attribute group cardinality is NOT the same as attribute in group cardinality.
Attribute in group cardinality constraint is defined as:
* A constraint on the number of times that a specific attribute may be included in the same attribute group.__
Examples
The expression constraint below is satisfied only by products with one, two or three attribute groups, which each contain at least one active ingredient relationship.
< 373873005 |Pharmaceutical / biologic product| : [1..3] { 127489000 |Has active ingredient| = < 105590001 |Substance| }
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