About: http://webisa.webdatacommons.org/292395722

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	nics drifts in the x-ray detection and data-acquisition systems, and variation (noise) from different objects within the bag (e.g., clothing, food items, hairdryers) and different types of bags (e.g., nylon, leather, large, small).
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu