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<http://webisa.webdatacommons.org/115033926>	<http://www.w3.org/ns/prov#value>	"Clearly, there is a serious issue in estimating a realistic, software project budget." .
<http://webisa.webdatacommons.org/115033926>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ebooks.com> .