About: http://webisa.webdatacommons.org/134079867

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	Topics: Open Source Software Development Download Audio Jonathan Ellis discusses Cassandra, an open source distributed database management system, used by Facebook and other sites.
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org