About: http://webisa.webdatacommons.org/170936691

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	What they probably experienced was aircraft flying over the island, and jets will typically sound louder, especially if they are not anticipated, at night.
http://www.w3.org/ns/prov#wasQuotedFrom	ack.net