About: http://webisa.webdatacommons.org/21281706

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	That is, at some suitable time prior to the user's interaction with the spreadsheet, the user or other individual caused the metadata to be generated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com