About: http://webisa.webdatacommons.org/84005497

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	If one looks at the cost per use, my guess is it will be quite low, e.g. if 30 people read a hard back that cost $29.95, then the cost per use is right about $1 per person, not including the libraries acquisition and processing costs.
http://www.w3.org/ns/prov#wasQuotedFrom	libraryjournal.com