About: http://webisa.webdatacommons.org/276837203

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	When Superman comics start entering public domain, much like the Fleischer cartoons that already are public domain, anyone will have the right to copy and republish them, including for a profit.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com