| http://www.w3.org/ns/prov#value | - Specifically, FIG. 14 illustrates the types of nodes that may be used to encapsulate an activity graph; FIG. 15 illustrates the nodes discussed in FIG. 14 combined to form a generic activity graph; and FIGS. 16-17 illustrate an example of an activity graph that may be utilized in an educational application system.
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