About: http://webisa.webdatacommons.org/418750722

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	Similar mechanism for suggesting keywords, topics, Contexts, or other content members (for instance, other emails or documents, etc.) are also applicable to cross-linking emails, web pages, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca