--- a/ontology/khalid-jun-dropbox/eg16-journalism-qualified-derivation.ttl	Sun Apr 01 11:53:57 2012 -0400
+++ b/ontology/khalid-jun-dropbox/eg16-journalism-qualified-derivation.ttl	Sun Apr 01 12:04:30 2012 -0400
@@ -7,17 +7,17 @@
 
 ex:chart1
    a prov:Entity;
-   prov:wasDerivedFrom ex:aggregate1;
+   prov:wasDerivedFrom ex:aggregatedByRegions;
 .
 
-ex:aggregate1 a prov:Entity .
+ex:aggregatedByRegions a prov:Entity .
 
 # Qualification: additional information about the derivation:
 
 ex:chart1
    prov:qualifiedDerivation   [
       a prov:Derivation;
-      prov:entity	ex:aggregate1;		
+      prov:entity	ex:aggregatedByRegions;		
       prov:hadUsage      :usage;      # Which activity derived the aggregate?
       prov:hadActivity   :activity;   # What did the activity use to derive the aggregate?
       prov:hadGeneration :generation; # How did the activity generate the derived aggregate?

--- a/ontology/khalid-jun-dropbox/eg16-journalism-qualified-generation.ttl	Sun Apr 01 11:53:57 2012 -0400
+++ b/ontology/khalid-jun-dropbox/eg16-journalism-qualified-generation.ttl	Sun Apr 01 12:04:30 2012 -0400
@@ -9,6 +9,7 @@
    a prov:Entity;
    prov:wasGeneratedBy ex:illustrationActivity;
 .
+
 ex:illustrationActivity a prov:Activity .
 
 # Qualification: The chart was generated by the activity at a particular time.

--- a/ontology/khalid-jun-dropbox/eg16-journalism-qualified-usage.ttl	Sun Apr 01 11:53:57 2012 -0400
+++ b/ontology/khalid-jun-dropbox/eg16-journalism-qualified-usage.ttl	Sun Apr 01 12:04:30 2012 -0400
@@ -7,17 +7,17 @@
 
 ex:illustrationActivity 
    a prov:Activity;
-   prov:used ex:aggregate1;
+   prov:used ex:aggregatedByRegions;
 .
-ex:aggregate1 a prov:Entity .
+
+ex:aggregatedByRegions a prov:Entity .
 
 # Qualification: The aggregated data was used a particular time when creating the chart.
 
 ex:illustrationActivity		
-   prov:used ex:aggregate1 .
    prov:qualifiedUsage  [
       a prov:Usage;
-      prov:entity ex:aggregate1;
+      prov:entity ex:aggregatedByRegions;
       prov:atTime ""^^xsd:dateTime 		
    ];
 .

--- a/ontology/khalid-jun-dropbox/eg16-journalism-simple-without-comments.ttl	Sun Apr 01 11:53:57 2012 -0400
+++ b/ontology/khalid-jun-dropbox/eg16-journalism-simple-without-comments.ttl	Sun Apr 01 12:04:30 2012 -0400
@@ -3,20 +3,20 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix ex:   <http://example.org#> .
 
-ex:chart1
+ex:bar_chart
    a prov:Entity;
    prov:wasGeneratedBy ex:illustrationActivity;
-   prov:wasDerivedFrom ex:aggregate1;
+   prov:wasDerivedFrom ex:aggregatedByRegions;
 .
 
 ex:illustrationActivity 
    a prov:Activity; 
-   prov:used              ex:aggregate1;
+   prov:used              ex:aggregatedByRegions;
    prov:wasAssociatedWith ex:derek;
    prov:wasInformedBy     ex:aggregationActivity;
 .
 
-ex:aggregate1
+ex:aggregatedByRegions
    a prov:Entity;
    prov:wasGeneratedBy ex:aggregationActivity;
 .
@@ -25,22 +25,22 @@
    a prov:Activity;
    prov:wasStartedAt      "2011-07-14T01:01:01Z"^^xsd:dateTime;
    prov:wasAssociatedWith ex:derek;
-   prov:used              ex:dataSet1;
-   prov:used              ex:regionList1;
+   prov:used              ex:crimeData;
+   prov:used              ex:nationalRegionsList;
    prov:wasEndedAt        "2011-07-14T02:02:02Z"^^xsd:dateTime;
 .
 
-ex:dataSet1
+ex:crimeData
    a prov:Entity;
    prov:wasAttributedTo :government;
 .
-ex:regionList1 
+ex:nationalRegionsList 
    a prov:Entity;
    prov:wasAttributedTo :civil_action_group;
 .
 
-ex:aggregate1 prov:wasAttributedTo ex:derek .
-ex:chart1     prov:wasAttributedTo ex:derek .
+ex:aggregatedByRegions prov:wasAttributedTo ex:derek .
+ex:bar_chart           prov:wasAttributedTo ex:derek .
 
 ex:derek
    a prov:Agent;