About: http://webisa.webdatacommons.org/257485355

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	Besidesthe mainstream genre led by Facebook, Twitter, and MySpace, several other forms of socialnetworking sites have developed in recent years that are important to notify (ibid).
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net