About: http://webisa.webdatacommons.org/154829458

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	The sensor means for operation as described may include for example a pH meter, an optical sensor, an ion selective electrode, or a conductance measurement device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca