About: http://webisa.webdatacommons.org/157764911

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	Many photographers use a ???lter simply to protect the front of their lenses from scratching or other damage.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net