About: http://webisa.webdatacommons.org/183470751

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	Journal I went with Tungsten (actually tungsten carbide in a cobalt carrier, like 99% of tungsten rings), and though the list is similar, there are a few differences between my reasons and the list you gave:
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org