<http://webisa.webdatacommons.org/13338205>	<http://www.w3.org/ns/prov#value>	"A directed graph D(A???{r}, E) is constructed, where A is the set of APs, r is an extra root vertex, and E is the set of edges between them." .
<http://webisa.webdatacommons.org/13338205>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/516241781>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13338205> .
<http://webisa.webdatacommons.org/13338205>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .