<http://webisa.webdatacommons.org/253049221>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<knowledgevaluechain.com> .
<http://webisa.webdatacommons.org/prov/133261471>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/253049221> .
<http://webisa.webdatacommons.org/253049221>	<http://www.w3.org/ns/prov#value>	"At the beginning of our aging study I found one source that was especially useful, a monograph published by a leading not-for-profit research organization." .
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