About: http://webisa.webdatacommons.org/401772871

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 Angle Validation plugin lets users check if all elements, mainly walls, are parallel or orthogonal to the grid.
http://www.w3.org/ns/prov#wasQuotedFrom	tnux.net