About: http://webisa.webdatacommons.org/50041131

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	A swimmer on the surface of the water is liable to detection by the same means as used on land, e.g. eyesight, surveillance cameras, thermal imaging, radar.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org