title: Error when using STR() function when executing a SPARQL query
body: <p><strong>Data</strong></p>
  
  <pre><code>&lt;ns0:Address rdf:datatype="http://www.w3.org/2001/XMLSchema#string"&gt;s block, kotahena&lt;/ns0:Address&gt;
  </code></pre>
  
  <p><strong>SPARQL Query:</strong></p>
  
  <pre><code>"PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;" +
                      "PREFIX owl: &lt;http://www.w3.org/2002/07/owl#&gt; " +
                      "PREFIX rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; " +
                      "PREFIX ns0: &lt;http://www.Jobsurveillance.com/CV#&gt; " +
                      "SELECT (str(?object) as ?label) WHERE { " +
                      " ?subject rdf:Full_Name ?object ." +
                      "}"
  </code></pre>
  
  <p><strong>Error during Run</strong>
  Exception error occurs when running the program.</p>
  
  <pre><code>Exception in thread "main" com.hp.hpl.jena.query.QueryParseException: Encountered "(" at line 1, column 212.
  Was expecting one of:
  &lt;VAR1&gt; ...
  &lt;VAR2&gt; ...
  "distinct" ...
  "reduced" ...
  "*" ...
  </code></pre>