based on PROV-DM's Example 22 from http://dvcs.w3.org/hg/prov/raw-file/default/model/prov-dm.html#term-Start
see also http://dvcs.w3.org/hg/prov/raw-file/default/xml/prov.xsd.html#type_WasStartedBy
default maxOccurs=1 constraint on time, entity, and starter elements.
--- a/examples/eg-40-xml-examples-by-term/xml/Start.xml Thu Sep 06 12:16:00 2012 -0700
+++ b/examples/eg-40-xml-examples-by-term/xml/Start.xml Thu Sep 06 12:16:32 2012 -0700
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- based on PROV-DM's Example 22 from http://dvcs.w3.org/hg/prov/raw-file/default/model/prov-dm.html#term-Start
+ see also http://dvcs.w3.org/hg/prov/raw-file/default/xml/prov.xsd.html#type_WasStartedBy -->
+
+<prov:records
+ xmlns:prov="http://www.w3.org/ns/prov#"
+ xmlns:ex="http://example.com/ns/ex#">
+
+ <prov:entity prov:id="e1">
+ <prov:type>email message</prov:type>
+ </prov:entity>
+
+ <prov:activity prov:id="a0">
+ <prov:type>Write</prov:type>
+ </prov:activity>
+ <prov:activity prov:id="a1">
+ <prov:type>Discuss</prov:type>
+ </prov:activity>
+
+ <prov:dependencies>
+ <prov:wasStartedBy>
+ <prov:time>2011-11-16T16:05:00</prov:time>
+ <prov:activity>a1</prov:activity>
+ <prov:trigger>e1</prov:trigger>
+ <prov:starter>a0</prov:starter>
+ </prov:wasStartedBy>
+ <prov:used>
+ <prov:activity>a1</prov:activity>
+ <prov:entity>e1</prov:entity>
+ </prov:used>
+ </prov:dependencies>
+
+</prov:records>