<http://webisa.webdatacommons.org/prov/25167641>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319546937> .
<http://webisa.webdatacommons.org/319546937>	<http://www.w3.org/ns/prov#value>	"constitutes a portfolio of particular forms of products and/or services (Olsen, Tse &amp; West, 1998)." .
<http://webisa.webdatacommons.org/319546937>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/319546937>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .