<p>However, HTTP URIs for <em>subjects</em> (e.g. the resource that we want to make statements about) can be trickier. If you are working purely with data then you can reuse existing URIs minted by other authorities for your <em>subject</em> URIs. But publishing <a>spatial data</a> on the Web means that the URIs for each <a>Spatial Thing</a> should dereference to Web pages or data resources that provide useful information (see <a href="#indexable-by-search-engines" class="sectionRef"></a>). An HTTP request will be directed to a host Web server, identified by the internet domain name (or IP address) in the requested URI. If you use a URI with an internet domain name where you have no control over how the Web server behaves, then there is no way for your statements to be included in the Web server's response.</p>
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