About: http://webisa.webdatacommons.org/167969900

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	Such a registration scheme may be implemented in many different ways, such as by use of the well known and computationally efficient Sobel or Canny edge detection schemes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com