About: http://webisa.webdatacommons.org/403393764

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	Consider the subset sum problem, an example of a problem that is easy to verify, but whose answer may be difficult to compute.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org