About: http://webisa.webdatacommons.org/291691245

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	Consistent with this definition, a helical path is a path which follows a helical shape and is generally confined to such a path by physical barriers such as pipe walls.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com