About: http://webisa.webdatacommons.org/301729065

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	I also noticed occasional examples of specks, marks, grit and other defects, but the grain/artifacts created the majority of the problems.
http://www.w3.org/ns/prov#wasQuotedFrom	dvdmg.com