About: http://webisa.webdatacommons.org/336575823

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	Essentially it enables you to create a grid based on your leading, with the tool then working out measurements of columns, indents, margins and other attributes - making sure everything is accurate and lines up.
http://www.w3.org/ns/prov#wasQuotedFrom	creativebloq.com