About: http://webisa.webdatacommons.org/53364434

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	ords such as a ???problem??? and a ???request??? may be used to define a concept extraction rule so that the document data concept extracting section 130 and the retrieval statement concept extracting section 145 can extract a concept.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com