<http://webisa.webdatacommons.org/prov/246488472>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/291399751> .
<http://webisa.webdatacommons.org/291399751>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/291399751>	<http://www.w3.org/ns/prov#value>	" sites in social networks such as Del.icio.us and Digg." .
<http://webisa.webdatacommons.org/291399751>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .