About: http://webisa.webdatacommons.org/166713622

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	Thus, one of the problems with a conventional approach described in U.S. Pat. No. 6,651,249 is the need for the client to download one or more ???delta catalogs??? and then process them on the client side.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com