About: http://webisa.webdatacommons.org/209153130

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 superheroes became more unpopular during the 1950s, the comic was shortened and other characters disappeared, leaving Superman and Batman to co-star in a single story each time.
http://www.w3.org/ns/prov#wasQuotedFrom	coverbrowser.com