About: http://webisa.webdatacommons.org/125181759

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	Often additional water retention mats may need to be specified if there are a lot of plant materials specified such as perennials or shrubs especially, if an irrigation system is not proposed.
http://www.w3.org/ns/prov#wasQuotedFrom	capitolgreenroofs.com