About: http://webisa.webdatacommons.org/207531685

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, in alternative embodiments, the system may use other types of sensors, such as chemical based, optical based, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com