--- a/examples/eg-40-xml-examples-by-term/xml/Collection.xml	Thu Sep 06 12:14:27 2012 -0700
+++ b/examples/eg-40-xml-examples-by-term/xml/Collection.xml	Thu Sep 06 12:15:08 2012 -0700
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- based on PROV-DM's Example 47 from http://dvcs.w3.org/hg/prov/raw-file/default/model/prov-dm.html#component6 -->
+
+<prov:records xmlns:prov="http://www.w3.org/ns/prov#"
+    xmlns:ex="http://example.com/ns/ex#">
+
+    <!-- c0 is an empty collection -->
+    <prov:entity prov:id="c0">
+        <!-- prov:EmptyCollection denotes an empty collection. -->
+        <prov:type>prov:EmptyCollection</prov:type>
+    </prov:entity>
+
+    <!-- c1 is a collection, with unknown content -->
+    <prov:entity prov:id="c1">
+        <!-- prov:Collection denotes an entity of type Collection, i.e. an entity that can participate in relations amongst collections -->
+        <prov:type>prov:Collection</prov:type>
+    </prov:entity>
+
+</prov:records>