About: http://webisa.webdatacommons.org/218230246

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	These technologies also failed if the speaker's voice changed due to common colds, laryngitis and other throat ailments, rendering them useless until the speaker recovered or retrained the speech engine.
http://www.w3.org/ns/prov#wasQuotedFrom	ict4lt.org