About: http://webisa.webdatacommons.org/12200300

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	In some cases, especially with PDFs, which were not the subject of the usability test, it looks like the PDF is projected skewed.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com