About: http://webisa.webdatacommons.org/395153536

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	When you want to narrow your results to specific file types such as pdf, xls, doc, or pptx (i.e. it is likely to return results that are reports, publications, datasheets, presentations, etc.)
http://www.w3.org/ns/prov#wasQuotedFrom	ncsu.edu