<http://webisa.webdatacommons.org/43204735>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ipobi.com> .
<http://webisa.webdatacommons.org/prov/138465091>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/43204735> .
<http://webisa.webdatacommons.org/43204735>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/43204735>	<http://www.w3.org/ns/prov#value>	"It has become a very indispensable tool of learning and instruction for all kinds of subjects." .