About: http://webisa.webdatacommons.org/295974389

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	A light source such as a light emitting diode can be provided proximate to the flat bottomed surface of each bottle, along with a detector for detecting changes in color or fluorescence.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com