About: http://webisa.webdatacommons.org/408844358

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	Support systems which contain liquids, such as waterbeds and cushions and the various benefits thereof are well-known.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com