About: http://webisa.webdatacommons.org/129654201

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	Since the object is a list and I am only modifying a small part of it, I was hoping that R's copy-on-modify semantics would avoid having multiple copies made; however, in running it, it does not seem to be the case for what I am doing.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com