About: http://webisa.webdatacommons.org/448173398

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 algorithm, Gordon and Udupa define two types of cells subject to the sign of the difference of the density value, di,j,k, of an object and a threshold t.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com