About: http://webisa.webdatacommons.org/152045330

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	Other apps know when they are on a device with a nonstandard layout and map the volume or other buttons accordingly.
http://www.w3.org/ns/prov#wasQuotedFrom	barnesandnoble.com