10 UMLClass 260 130 240 110 DEPARTMENT -- name ID1 code ID2 total-staff-number chair [0..1] ID3 budget bg=#dddddd UMLClass 660 140 130 80 COURSE -- cnum ID title credits bg=#dddddd Relation 490 160 190 50 lt=- m1=1 r1= m2=* Offers > 10.0;20.0;170.0;20.0