About: http://webisa.webdatacommons.org/224498259

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I have absolutely no doubt that any of the aforementioned triplestores could quite easily manage the load and activity associated with the types of sites you describe.
http://www.w3.org/ns/prov#wasQuotedFrom	semanticweb.com