| http://www.w3.org/ns/prov#value | - Ontological properties to the manipulative operations (e.g. scaffolding, reasoning, inquiry or other models) can be taken from the analytical frameworks from the research literature (e.g. Clark, Chi, Hmelo-Silver, etc.) Ontological properties are necessary when to explain, why some actions are effective and some not, they enable to interprete the sequences of operations.
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