About: http://webisa.webdatacommons.org/30502728

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	However the QWERTY and Dvorak keyboards and other keyboards have fixed sets of physical keys, while users of these keyboards have a variety of anatomical hand sizes, finger sizes and ranges of motion.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com