About: http://webisa.webdatacommons.org/199096916

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	Your tree is a graph of how the values percolate through the evaluation, but LISP is thinking about lists of lists, and using prefix notation:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com