About: http://webisa.webdatacommons.org/187076292

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	However, the simple approximate expression so far used in the art is susceptible to errors due to the modulation of emission spectra by light reflected at surfaces other than the metal surface, because such modulation is still neglected.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com