About: http://webisa.webdatacommons.org/103369815

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 mast is considered square-rigged if its lowest sail or course is square-rigged, but normally if this is the case it will have a complete set of square-rigged sails.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org