<http://webisa.webdatacommons.org/279530373>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<columbia.edu> .
<http://webisa.webdatacommons.org/279530373>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/334743916>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/279530373> .
<http://webisa.webdatacommons.org/279530373>	<http://www.w3.org/ns/prov#value>	"Body-worn audio recorders can collect huge personal audio archives of everything heard by the user, but navigating this data is a challenge." .