<http://webisa.webdatacommons.org/prov/222553781>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219781575> .
<http://webisa.webdatacommons.org/219781575>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/219781575>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/219781575>	<http://www.w3.org/ns/prov#value>	"Using several aggregation sites, Storify, etc., a test study showed that up to 10% of the content, especially photos and videos, is no longer available." .
<http://webisa.webdatacommons.org/prov/230530818>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219781575> .