About: http://webisa.webdatacommons.org/386864227

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	With the development of automated lights, offshore light towers, radar and other technological navigation equipment in the 20th century, manned lighthouses gradually became obsolete.
http://www.w3.org/ns/prov#wasQuotedFrom	nj.gov