C RO S S
Workshop A
Ev e n i n t h e s a m e s e r v i c e p ro c e d u re , s t a k e h o l d e r s m a y b e h a v e differently under different context (for example, because the recycle bins are outdoor, when it is raining, the procedure of clothes donation becomes inconvenient, but there is no such problem during sunny days). Therefore in this step, we still need context-based activity model to describe the actors of different activities, activities, context, and environment under each circumstance. Context-based activity model is shown as figure 5, in which: 1 . Activity: referring to the core activity, such as donating. 2. Active actor, Passive actor and Third party actor: the participants related to the core activity, such as donators. 3. Object: the object that is mainly involved in the core activity, such as clothes.
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