<http://webisa.webdatacommons.org/prov/219094935>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/218230246> .
<http://webisa.webdatacommons.org/218230246>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ict4lt.org> .
<http://webisa.webdatacommons.org/218230246>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/218230246>	<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." .