About: http://webisa.webdatacommons.org/45320534

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	To access the n-th value in a tuple t, use the notation t._n, where n is a literal integer in the range 1 (not 0!) to 22.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu