About: http://webisa.webdatacommons.org/239416853

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	In short, any possible mapping of message categories to node types is possible and the number of message categories, N, does not have to be the same as the number of node types, M.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com