About: http://webisa.webdatacommons.org/217068849

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	However, these attempts often provide a less than perfect determination of sensor bias and environmental conditions, for example by treating one factor as constant while determining a value for the other factor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com