About: http://webisa.webdatacommons.org/293467486

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 this case they could be provided either along the line of propagation of the light source or at angles, such as right angles, to measure, respectively, transmission and/or scattering of the propagated light beam.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com