About: http://webisa.webdatacommons.org/13967788

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	While the major lines of stress in a sail may be determined for given conditions, it is well known that the conditions such as wind force, angle of attack, and sheet and halyard tension may change as the sail is being used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com