n and Knowledge Management (CIKM)</span>.
        </em>
        <span itemprop="datePublished">2013</span>.
        <span class="web-only">[<a itemprop="url" href="https://chunlianglyu.com/docs/cikm13.pdf">PDF</a>]</span>
        <meta itemprop="image" content="http://placehold.it/160x90">
      </li>

      <li itemscope itemtype="http://schema.org/ScholarlyArticle" class="hide">
        <strong itemprop="author">C. Lu</strong>,
        <span itemprop="author">W. Lam</span>,
        <span itemprop="author"