<http://webisa.webdatacommons.org/230401852>	<http://www.w3.org/ns/prov#value>	"The power spectrum is a method to simultaneously measure the snore inttensity and frequency." .
<http://webisa.webdatacommons.org/230401852>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<plos.org> .
<http://webisa.webdatacommons.org/prov/483771298>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/230401852> .
<http://webisa.webdatacommons.org/230401852>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .