About: http://webisa.webdatacommons.org/249284993

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	FF 3.5.3 (or 4?) was crashing on me every day or two for the last week or so, while I was running it, so yes, memory management was and is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com