About: http://webisa.webdatacommons.org/186973368

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	one kind of element or a plurality of kinds of elements selected from among Fe, Co, Ni, Cu, Ru, Rh, Pd, Os, Ir, Pt and Au is used as the catalytic element. 6.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com