About: http://webisa.webdatacommons.org/453034106

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	The first image shows how empty bubbles are captured, in the second ??? only the marked ones, but not crossed. (Here is a company that is doing something very similar [1].
http://www.w3.org/ns/prov#wasQuotedFrom	inperc.com