About: http://webisa.webdatacommons.org/247639160

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	FIGURE 4 illustrates diagrammatically a sensing system for liquid level as, for example, the level in storage tanks of various types or the level of water ways or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com