About: http://webisa.webdatacommons.org/398469781

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 sniffing-sensors are still susceptible to false positives which are usually caused by explosive residues, smoke and other contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com