About: http://webisa.webdatacommons.org/30800913

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	Formats also changed, notably in the three-dimensional perspex ???Colour Boxes??? and the ???Horizontal Paintings??? of the early 1970s which run in a concentrated block across the base of the canvas.
http://www.w3.org/ns/prov#wasQuotedFrom	artnet.com