--- a/paq/provenance-access.html	Tue Aug 09 10:59:32 2011 +0200
+++ b/paq/provenance-access.html	Tue Aug 09 14:42:03 2011 +0200
@@ -60,6 +60,9 @@
           editors:  [
               { name: "Graham Klyne", url: "",
                 company: "University of Oxford", companyURL: "http://www.ox.ac.uk/" },
+                
+              { name: "Paul Groth", url: "",
+                company: "VU University Amsterdam", companyURL: "http://www.vu.nl/" },
           ],
 
           // authors, add as many as you like. 
@@ -102,6 +105,19 @@
       <p>
         @@TODO
       </p>
+      <h2>Concepts</h2>
+      
+      In defining the specification below, we make use of the following concepts. 
+      <ul>
+      <li> Provenance information - refers to provenance represented in some fashion.</li>
+      <li> The URI identifying provenance</li>
+      <li> Target - the entity that one wants to know the provenance of. </li>
+      <li> Target-URI - the URI of a target, which allows the target to be found in some provenance information</li>
+      <li> Provenance Service: A service that provides provenance information for a Target given a Target-URI </li>
+      <li> Service-URI: A URI of a Provenance Service.
+      <li> Resource: a web resource. A resource may have multiple associated targets</li>
+      </ul>
+      
     </section>
     
     <section>