About: http://webisa.webdatacommons.org/257297944

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	He surveys and organizes for our convenience the various tools designed to locate PDFs, documents, PowerPoints and other documents that are not searched by ordinary search engines.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com