aph: '/graphs/wikipedia/en-20120601',
  text: 'IBM Watson won the Jeopardy television show hosted by Alex Trebek'
};

// Retrieve the concepts for input text
concept_insights.graphs.annotateText(params, function(err, res) {
  if (err)
    console.log(err);
  else {
    console.log(JSON.stringify(res, null, 2));
  }
});</code></pre><h3>Conversation</h3><p>Use the <a href="http://www.ibm.com/smarterplanet/us/en/ibmwatson/developercloud/conversation.html">Conversation</a> service to determine the intent of a m