Change Tracking on the RDF itself: Some initial thoughts...

#!/bin/bash
rm -f test*db
rdfproc test -- add bnode1 "http://www.w3.org/2003/01/geo/wgs84_pos#lat" "51.47026"
rdfproc test -- add bnode1 "http://www.w3.org/2003/01/geo/wgs84_pos#long" "-2.59466"
rdfproc test -- add "uri:gollum" "http://xmlns.com/foaf/0.1/name" "Gollum"
rdfproc test -- add "uri:gollum" "http://xmlns.com/foaf/0.1/phone" "tel:11 1322342"