About: http://webisa.webdatacommons.org/195697853

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 method of claim 19, wherein the output device is a device selected from the group consisting of a speaker, a stereo system, a karaoke system and a video system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com