About: http://webisa.webdatacommons.org/373031525

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	Optionally duplicate sensors may be provided for at least some of the parameters, especially any sensors that are of a less reliable type. [0046] The disposition of sensors relative to a points machine is shown in FIG. 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com