ing the
<a href="http://www.ibm.com/smarterplanet/us/en/ibmwatson/developercloud/doc/sireapi/">Relationship Extraction</a> service.</p>
<pre class="prettyprint source lang-javascript"><code>var watson = require('watson-developer-cloud');

var relationship_extraction = watson.relationship_extraction({
  username: '&lt;username>',
  password: '&lt;password>',
  version: 'v1-beta'
});

relationship_extraction.extract({
  text: 'IBM Watson developer cloud',
  dataset: 'ie-en-news' },
  function (err, response) 