10 UMLClass 390 40 100 60 JOURNAL -- bg=#dddddd UMLClass 380 330 120 60 PROCEEDINGS -- bg=#dddddd UMLClass 390 180 100 60 PAPER -- bg=#dddddd UMLClass 650 180 100 60 EDITOR -- bg=#dddddd UMLClass 130 180 100 60 AUTHOR -- bg=#dddddd Relation 220 190 190 50 lt=- m1=1..* m2=1..* < Is-written-by 10.0;20.0;170.0;20.0 Relation 480 190 190 50 lt=- m1=1..* r1= m2=1..* Is-edited-by > 10.0;20.0;170.0;20.0 Relation 430 230 160 120 lt=- m1=1..n m2=1 Is-included-in v 10.0;10.0;10.0;100.0 Relation 430 90 160 110 lt=- m1= m2=1..* Is-included-in ^ 10.0;10.0;10.0;90.0