About: http://webisa.webdatacommons.org/258861528

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	represent the display viewed by a user. In a Web-based embodiment, the document is a Web page. In an e-mail embodiment, the document can be an e-mail message or listing of messages, such as an in-box.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com