About: http://webisa.webdatacommons.org/179072108

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	These thresholds may be predetermined, for example by trial and error, for any particular system and once obtained remain constant for that system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com