About: http://webisa.webdatacommons.org/133459917

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	Although the present embodiment uses nickel (Ni) as the catalyst element, another element such as germanium (Ge), iron (Fe), palladium (Pd), tin (Sn), lead (Pb), cobalt (Co), platinum (Pt), copper (Cu), or gold (Au) may be also used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com