About: http://webisa.webdatacommons.org/139616302

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	As use herein, a sample is a unit of a vapor, liquid, solution, gas, solid, or other forms, and mixtures thereof, of a substance being analyzed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca