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<http://webisa.webdatacommons.org/77682548>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mit.edu> .
<http://webisa.webdatacommons.org/prov/101468427>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/77682548> .
<http://webisa.webdatacommons.org/prov/451890477>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/77682548> .
<http://webisa.webdatacommons.org/prov/451957061>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/77682548> .
<http://webisa.webdatacommons.org/77682548>	<http://www.w3.org/ns/prov#value>	"However, Google, Amazon and other competing information and content providers have stimulated a growing customer interest in electronic formats." .
<http://webisa.webdatacommons.org/prov/103109602>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/77682548> .