About: http://webisa.webdatacommons.org/453931978

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	In this case, there is an air bubble in the line which did not exist at the next previous sensor reading, but rather has just started (the starting edge of the bubble has been detected).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com