About: http://webisa.webdatacommons.org/217633220

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	Establishing viewport descriptor blocks for other items such as the menu and error messages of FIG. 2 makes the screen manager operations extremely flexible.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com