About: http://webisa.webdatacommons.org/393052423

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	Because Web pages often are dynamic and composed of many elements such as script files, images, and even ActiveX controls, most page weight tests are conducted in lab scenarios where the variable elements are fixed.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com