About: http://webisa.webdatacommons.org/332677342

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	Although pavers, flagstone and other natural stone, and clay brick might not be installed in mortar or over concrete, they are usually counted as impervious because of the compaction of the ground necessary for proper construction.
http://www.w3.org/ns/prov#wasQuotedFrom	kleinberg.com