About: http://webisa.webdatacommons.org/435775958

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 size of the characteristic scale area Ac will depend on a variety of factors including viewing distance, visual acuity of the observer, acceptable amounts of color distortion, and size and packing density of rotational elements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com