HTML5: microdata

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Microdata Example from MIT OpenCourseWare

<div class="grid_12 alpha omega" itemprop="publisher" itemscope="" itemtype="http://schema.org/CollegeOrUniversity">
    <h4 class="footer">About <span itemprop="name">MIT OpenCourseWare</span></h4>
    <p itemprop="description">MIT
        OpenCourseWare is an online publication of materials from over 2,500 MIT courses, freely sharing knowledge with
        learners and educators around the world. <a href="/about/">Learn more &raquo;</a></p>
</div>
<div id="foot-copy" class="grid_12 alpha omega">
    <a rel="license"
        itemprop="useRightsUrl"
        href="http://creativecommons.org/licenses/by-nc-sa/4.0/">
        <img
            src="/images/cc_by-nc-sa.png"
            alt="Creative Commons logo with terms BY-NC-SA." />
    </a>
    <p>Your use of the MIT OpenCourseWare site and materials is subject
        to our <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" rel="license">Creative Commons License</a>
        and other <a href="/terms/" rel="cc:morePermissions">terms of use</a>.</p>
</div>