About: http://webisa.webdatacommons.org/232586818

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	Use e.g. a set for storing the strings ??? it is sorted automatically, and checking for existence is fast:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com