About: http://webisa.webdatacommons.org/8189149

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 performance of such a barrier is a function of its height, its length and, to a certain extent, the materials from which it is made.
http://www.w3.org/ns/prov#wasQuotedFrom	parliament.uk