About: http://webisa.webdatacommons.org/293113113

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	Precursors might include Usenet, online services such as Genie & CompuServe and Bulletin Board Systems.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net