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// Simple UML class diagram for data managed by a school namespace education; class School { String name; String address; String description; 0..1 -- * Person student; key{name} } namespace human; class Person { String name; Integer idNumber; key{idNumber} } //$?[End_of_model]$? //Positioning namespace education; class School { position 144 243 149 96; position.association Person:student__School 70,0 72,79; } namespace human; class Person { position 143 66 146 79; }