About: http://webisa.webdatacommons.org/447987243

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	Index files Query processing, retrieval, relevance ranking Search is a mystery
http://www.w3.org/ns/prov#wasQuotedFrom	searchtools.com