About: http://webisa.webdatacommons.org/439512279

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	For example, a user types something on his keyboard vs sendKeys/PostMessage/On-screen keyboard.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com