About: http://webisa.webdatacommons.org/22915580

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	They???re working with lasers, cameras, ultra-sound and other sensors that gauge currents and waves to detect obstacles like logs in the water and oncoming boats.
http://www.w3.org/ns/prov#wasQuotedFrom	marinelink.com