About: http://webisa.webdatacommons.org/335660889

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But when the reward is a cookie or some other highly salient substance, the person has to substitute the reward for something else.
http://www.w3.org/ns/prov#wasQuotedFrom	app4mind.com