About: http://webisa.webdatacommons.org/409163513

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 button bar may comprise any number of buttons for a variety of system functions, such as buttons leading to other stages, the homepage and/or or the logout page.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com