About: http://webisa.webdatacommons.org/206972879

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	Just like when you visit a library, all the materials are free to read, but there is a service fee associated with ???checking out??? (downloading and printing the documents).
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com