About: http://webisa.webdatacommons.org/277268741

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	In the using of an inflatable mattress, it has been common to place bedclothes, such as sheets and blankets directly onto the mattress.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com