--- a/examples/eg-25-extended-crime-file-example/rdf/extended-crime-file-pt1.ttl	Tue Jun 19 11:34:07 2012 +0200
+++ b/examples/eg-25-extended-crime-file-example/rdf/extended-crime-file-pt1.ttl	Tue Jun 19 11:39:05 2012 +0200
@@ -45,7 +45,7 @@
       prov:atLocation     :more-crime-happens-in-cities;  ## PERMALINK to the (latest revision of the) post
       my:snapshotContent  :postContent0;                  ## Snapshot with the content of this version
       sioc:title "More crime happens in cities"^^xsd:string;
-      prov:hadOriginalSource :aggregatedByRegions;        ## This version of the post used the file "aggregatedByRegions" as a primary source. 
+      prov:hadPrimarySource :aggregatedByRegions;        ## This version of the post used the file "aggregatedByRegions" as a primary source. 
                                                           ## Since the author stated that he based his post in the file, 
                                                           ## the system used this relationship to keep the attribution clear.
       prov:wasAttributedTo   :derek;

--- a/examples/eg-25-extended-crime-file-example/rdf/extended-crime-file-pt2.ttl	Tue Jun 19 11:34:07 2012 +0200
+++ b/examples/eg-25-extended-crime-file-example/rdf/extended-crime-file-pt2.ttl	Tue Jun 19 11:39:05 2012 +0200
@@ -42,6 +42,6 @@
       prov:wasDerivedFrom    :post9821v1, 
                              :post9821v2;
       prov:wasGeneratedBy    :publicationActivity1123;
-      prov:hadOriginalSource :aggregatedByRegions;
+      prov:hadPrimarySource :aggregatedByRegions;
    .
 }