Как связать элементы в schema.org?

Предположим, что у меня есть простая HTML-страница о парне, получающем работу:

<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8">
        <title>New Job for John Doe</title>
    </head>
    <body>
        <h1>New Job for John Doe</h1>
        <p>This week John Doe accepted an offer to become a Software Engineer at MITRE.  John graduated from MIT in 2005 with a BS in Computer Science.  He previously worked at a small company near Boston.  Blah, blah, blah.</p>
        <p>The MITRE Corporation is a not-for-profit organization chartered to work in the public interest.  The MITRE Corporation has two principal locations: Bedford, Massachusetts, and McLean, Virginia.  Blah, blah, blah.</p>
    </body>
</html>

Если я добавлю семантические данные с помощью словаря schema.org, она может выглядеть так:

<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8">
        <title>New Job for John Doe</title>
    </head>
    <body>
        <h1>New Job for John Doe</h1>
        <p itemscope itemtype="http://schema.org/Person">This week John Doe accepted an offer to become a <span itemprop="jobTitle">Software Engineer</span> at <span itemprop="worksFor">MITRE</span>.  John graduated from <span itemprop="alumniOf">MIT</span> in 2005 with a BS in Computer Science.  He previously worked at a small company near Boston.  Blah, blah, blah.</p>
        <p itemscope itemtype="http://schema.org/Corporation">The MITRE Corporation is a not-for-profit organization chartered to work in the public interest.  The MITRE Corporation has two principal locations: <span itemprop="location">Bedford, Massachusetts</span>, and <span itemprop="location">McLean, Virginia</span>.  Blah, blah, blah.</p>
    </body>
</html>

Первый абзац явно о человеке, Джоне Доу, а второй - о компании, The MITRE Corporation. Но "MITRE" в первом абзаце - то же самое, что "The MITRE Corporation" во втором. Как мне явно объявить их одинаковыми с помощью schema.org?

13
задан Dan Brickley 23 October 2011 в 20:46
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