About: http://webisa.webdatacommons.org/265629128

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	\nameyeardelim is just whatever separates the author and the year in a citation, e.g. in (Author, 2014), \nameyeardelim is a comma followed by a space.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com