title: parsing and querying OWL-S profile.owl file using Jena-2.5.7
body: <p>I've problem with querying a service profile file <code>Profile.owl</code> using Jena on Eclipse,
  I used the following query:</p>
  
  <pre class="lang-java prettyprint-override"><code>String queryString = 
      "PREFIX rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; "
      + "PREFIX owl: &lt;http://www.w3.org/2002/07/owl#&gt; "
      + "PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; "
      + "PREFIX service: &lt;http://www.daml.org/services/owl-s/1.1/Service.owl#&gt; "
      + "PREFIX profile: &lt;http://www.daml.org/services/owl-s/1.1/Profile.owl#&gt; "
      +"SELECT ?service ?y WHERE {  ?service &lt;profile:profile&gt; ?a ."
      +"?a &lt;service:presentedBy&gt; ?b ."
      +"?b &lt;profile:serviceName&gt; ?y .}";
  </code></pre>
  
  <p>A snippet of the service profile file look like this:</p>
  
  <pre class="lang-xml prettyprint-override"><code> &lt;profile:Profile  rdf:ID="AddServiceName"&gt;
   &lt;service:presentedBy rdf:resource="AddServicePresenter"/&gt;
   &lt;profile:serviceName&gt;"ser"&lt;/profile:serviceName&gt;
  </code></pre>
  
  <p>There were no results at all.</p>