Relations between objects involved in an UML communication diagram...

What is the difference between collaboration diagram and communication diagram in UML?...

Does Collaboration/Communication Diagram have "OPT" fragment?...

Can I generate a collaboration diagram using sequence diagram in StarUML?...

UML - objects represented in circles and squares, which is correct?...

UML tool supporting collaboration...

UML Collaboration diagram for an emergency reporting system...

Nice free tool to create UML Communication (=Collaboration) diagrams...

Collaboration Diagrams: how to represent setting a variable's and attribute's value to a spe...

How to signal object instantiation in a Collaboration/Communication Diagram?...