About: http://webisa.webdatacommons.org/7994696

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 present invention further provides for varying the density of the padding on the seat and back rest so that the sides are firmer than the center and the bottom portion of the back rest firmer than the upper portion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com