About: http://webisa.webdatacommons.org/238006971

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	We???ve found that giving the filters or other technologies away is not sustainable and doesn???t really promote the continued use of the technology.
http://www.w3.org/ns/prov#wasQuotedFrom	unc.edu