About: http://webisa.webdatacommons.org/431591769

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	You will find a large variety of sizes and shapes including arches, columns, squares, rectangles, triangles, cylinders, 1/2 and 1/4 circles, as well as basic, half and double unit blocks.
http://www.w3.org/ns/prov#wasQuotedFrom	christianbook.com