About: http://webisa.webdatacommons.org/25111031

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	A central point of distribution was needed.??? Although Tumblr initially used Scribe/Hadoop, ???this model stopped scaling almost immediately, especially at peak where people are creating 1000s of posts a second.???
http://www.w3.org/ns/prov#wasQuotedFrom	oreilly.com