About: http://webisa.webdatacommons.org/64219388

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	it is hard/impossible to estimate time interval without knowing any data about your hardware configuration and other details, but I found some blog article (from march 2010, so probably you have bigger dump) and you can compare to yours.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com