UML activity diagram

Draft

Definition

UML activity diagrams refer to [[software engineering] method modeled with UML to describe work flows, business processes and other procedures.

They are similar to Petri nets.

Simple diagrams

Activity diagrams consist of:

• Initial node.
• Activity final node.
• Activities

{{quotation|The starting point of the diagram is the initial node, and the activity final node is the ending. An activity diagram can have zero or more activity final nodes. In between activities are represented by rounded rectangles.

In education

Activity diagrams can be used to describe learning designs of CSCL scenarios. A good example are collaborative learning flow pattern (

Links

• Wikipedia:Unified_Modeling_Language (Wikipedia)
• [Activity diagram](Wikipedia)

References

• Fowler, M. (2000). UML distilled (3rd ed.). Upper Saddle River, NJ: Addison-Wesley. ISBN 0321193687

• Hernández-Leo, D., Asensio-Pérez, J.I., Dimitriadis, Y., Bote-Lorenzo, M.L., Jorrín-Abellán, I.M., Villasclaras-Fernández, E.D. (2005b). Reusing IMS-LD Formalized Best Practices in Collaborative Learning Structuring. Advanced Technology for Learning 2(4):223-232. http://dx.doi.org/10.2316/Journal.208.2005.4.208-0865 - PDF