About: http://webisa.webdatacommons.org/170827825

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	This does not work properly for cases such as l = {Add[a, b], Mul[b, c]}
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com