About: http://webisa.webdatacommons.org/340197582

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	However, like normal photographs and pictures, there are degrees of interpretation, misidentification and, yes, hoaxes.A sonar contact is a picture made from sound waves instead of light waves.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk