About: http://webisa.webdatacommons.org/165008595

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	Ubuntu is an open source operating system, which means it???s totally free of cost.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com