<http://webisa.webdatacommons.org/156012568>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<feedly.com> .
<http://webisa.webdatacommons.org/prov/206739092>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/156012568> .
<http://webisa.webdatacommons.org/156012568>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/156012568>	<http://www.w3.org/ns/prov#value>	"It also formalizes the concept of activity stream so that some applications can contribute events and some other applications can filter them, mash them up and display them to the user." .