Activity http://www.w3.org/TR/2013/REC-prov-constraints-20130430/#prov-dm-constraints-fig http://www.w3.org/TR/2013/REC-prov-dm-20130430/#term-Activity http://www.w3.org/TR/2013/REC-prov-n-20130430/#expression-Activity starting-point entities-activities An activity is something that occurs over a period of time and acts upon or with entities; it may include consuming, processing, transforming, modifying, relocating, using, or generating entities. Entity