About: http://webisa.webdatacommons.org/162004467

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	PDFs will support features such as digital signing and approval, and it???s probably best to develop on the recently released PDF 1.7 format.
http://www.w3.org/ns/prov#wasQuotedFrom	niallkennedy.com