About: http://webisa.webdatacommons.org/257009969

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	In other embodiments, the inner core 20 and the outer shell body 32 are comprised of the same material (FIG. 19B), for example, a metal such as cobalt chrome or titanium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr