About: http://webisa.webdatacommons.org/133855152

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	However, one can insure that the 45 relationship is maintained by appropriately mounting the pen, as for example, on an XY coordinate frame such as is employed for plotting boards.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk