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copied!<p><strong>Validation</strong></p> <p>The example you give (in the first version of your question) does not pass validation at <a href="http://validator.nu/" rel="nofollow">http://validator.nu/</a>. You cannot use directly a property in the same node that declares the entity type. Probably the rich snippet tool is not strict enough. To confirm, this <a href="http://foolip.org/microdatajs/live/" rel="nofollow">alternate tool</a> also refuses to generate a JSON expression from your block because of the lack of a top level element.</p> <p>So an additional node is required for the <code>geo</code> property, here is a proper way to express it (doctype and title are for validation tool only):</p> <pre><code><!DOCTYPE html> <title>Nottingham City Neighbourhood</title> <div class="hidden" itemscope itemtype="http://schema.org/GeoShape"> <div itemprop="geo"> <meta itemprop="circle" content="52.953 -1.149 32186.88"/> </div> </div> </code></pre> <p><strong>Recommendation</strong></p> <p>According to this <a href="http://support.google.com/webmasters/bin/answer.py?hl=en&answer=1093493" rel="nofollow">Google FAQ</a> only few entities are really supported and based on <a href="http://support.google.com/webmasters/bin/answer.py?hl=en&answer=146861" rel="nofollow">Organization</a> and <a href="http://support.google.com/webmasters/bin/answer.py?hl=en&answer=164506" rel="nofollow">Event</a> examples in microdata format, the optional <code>geo</code> property only propose <code>longitude</code> and <code>latitude</code> elements from <a href="http://schema.org/GeoCoordinates" rel="nofollow">http://schema.org/GeoCoordinates</a>. So there is less doubt to use that simple <em>point</em> definition compared to <code>circle</code>. By the way this example is valid and properly extracted:</p> <pre><code><div itemscope itemtype="http://data-vocabulary.org/Organization"> <span itemprop="name">Nottingham City Neighbourhood</span> <div itemprop="geo"> <meta itemprop="circle" content="52.953 -1.149 32186.88"/> </div> </div> </code></pre> <p>If you use <a href="http://sindice.com/" rel="nofollow">sindice.com</a>, there is no hit for <code>http://schema.org/GeoShape</code> whereas <code>http://schema.org/GeoCoordinates</code> is extensively used. Not so easy to find real world usage of <code>circle</code>.</p> <p><strong>Circle property value</strong></p> <p>For the circle property content itself, many documentation refers to <a href="http://www.w3.org/2003/01/geo/" rel="nofollow">WGS84</a> but it only concerns point. This <a href="http://www.georss.org/simple" rel="nofollow">documentation</a> confirms the content text structure for the <code>circle</code> element.</p> <p>This <a href="http://dev.iptc.org/rNews-10-The-Geo-Coordinates-Class" rel="nofollow">example for rNews</a> obviously lacks a space before the 500 radius and is not properly rendered, the page source contains <code><td class="rnews_td codestyle">38.920952 -94.645443500</td></code> instead of <code><td class="rnews_td codestyle">38.920952 -94.645443 500</td></code></p> <p>You should look at <a href="http://schema.rdfs.org/tools.html" rel="nofollow">schema generators or parsers</a>. Maybe one of them has implemented a fine grain editor for GeoShape properties instead of a raw text field, so that you can confirm property content structure. I have looked at <a href="http://developers.any23.org/" rel="nofollow">Any23</a> but still the same issue: GeoCoordinates is implemented but not GeoShape.</p> <p><strong>Box and polygon property value</strong></p> <p>No coma is expected between longitude and latitude values for point, box, polygon or line (only use space) according to both <a href="http://dev.iptc.org/rNews-10-The-Geo-Coordinates-Class" rel="nofollow">rNews</a> and <a href="http://www.georss.org/simple" rel="nofollow">GeoRSS</a>.</p> <p><strong>As a conclusion</strong>, you should avoid <code>GeoShape</code> if your aim is to provide a location to search engines... At the moment, only <code>GeoCoordinates</code> seems to be a reasonable choice.</p>

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