About: http://webisa.webdatacommons.org/184770273

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	May 20, 2014, 9:53 pm ET by Robert Collins E-Mail ThisTweet In 2007, nine major tech companies, including Google and Yahoo!, began cooperating with what they thought was a limited government surveillance program.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org