About: http://webisa.webdatacommons.org/415794238

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 compass was an instrument used to determine direction on a planetary surface relative to that world's magnetic poles.
http://www.w3.org/ns/prov#wasQuotedFrom	thefullwiki.org