About: http://webisa.webdatacommons.org/425122678

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	Preferably, the constant is determined and/or calibrated on a periodic basis, such as weekly, monthly, bimonthly, or any other period to account for changes to the sewer network over time.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com