About: http://webisa.webdatacommons.org/90076255

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	In the '60s, following the lead of Heinlein, topics other than science started becoming more prevalent in sf.
http://www.w3.org/ns/prov#wasQuotedFrom	network54.com