PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A bipartite graph is a graph whose vertices can be divided into two disjoint sets such that no two vertices in the same set are adjacent. history
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathoverflow.net