/sparql/ HTTP/1.1&#x000A;Host: www.example&#x000A;User-agent: sparql-client/0.1&#x000A;Content-Type: application/sparql-query&#x000A;Accept: application/sparql-results+xml&#x000A;Content-Length: XXX&#x000A;&#x000A;SELECT ?o WHERE {&#x000A;    GRAPH &lt;http://example.org/protocol-base-test/&gt; {&#x000A;        &lt;http://example.org/s&gt; &lt;http://example.org/p&gt; ?o&#x000A;    }&#x000A;}&#x000A;</code></pre>
            
            <h4>Response</h4>
            
            <pre><code>2xx or 3xx respo