previous time limit until
       the hard limit is reached.</p>
    <h2>OpenSearch</h2>
    <p>You can add this service as a search engine plugin in OpenSearch capable browsers. You can do this in Firefox by using the pulldown
    next to the search text input in Facet search main page.</p>
    <h3>More Information</h3>
    <ul>
      <li><a href="http://www.opensearch.org">OpenSearch.org</a></li>
    </ul>
    <h2>Available datasets</h2>
    <p>
    The <a href="/void/Dataset">VoiD graph</a> contains infor