About: http://webisa.webdatacommons.org/6993958

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	As used herein, the term about in defining amounts, temperatures, times and other conditions, refers to a variation of ???10% of the indicated values.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com