About: http://webisa.webdatacommons.org/18798655

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	All of these services are without charge, but there is a little more to getting onboard then just signing up.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com