<p>In some cases, wearables will be able to detect occurrences (<ahref="#s4wear:Occurrence">s4wear:Occurrence</a>) taking place (<ahref="#s4wear:takesPlaceAt">s4wear:takesPlaceAt</a>) in a location that is relevant to the wearer (geosp:Feature). These occurrences can be related to the device detecting them through the <ahref="#s4wear:isDetectedBy">s4wear:isDetectedBy</a> property, as shown in <ahref="#Figure_6">Figure 6</a>.</p>
<p>In some cases, wearables will be able to detect occurrences (<ahref="#s4wear:Occurrence">s4wear:Occurrence</a>) taking place (<ahref="#s4wear:takesPlaceAt">s4wear:takesPlaceAt</a>) in a location that is relevant to the wearer (geo:Feature). These occurrences can be related to the device detecting them through the <ahref="#s4wear:isDetectedBy">s4wear:isDetectedBy</a> property, as shown in <ahref="#Figure_6">Figure 6</a>.</p>
<p>In the context of a smart city, more specific classes can be used from SAREF4CITY, to represent events (<ahref="https://saref.etsi.org/saref4city/Event">s4city:Event</a>, a subclass of <ahref="#s4wear:Occurrence">s4wear:Occurrence</a>) that take place at (<ahref="https://saref.etsi.org/saref4city/takesPlaceAtFacility">s4city:takesPlaceAtFacility</a>) facilities (<ahref="https://saref.etsi.org/saref4city/Facility">s4city:Facility</a>, a subclass of geosp:Feature).</p>
<p>In the context of a smart city, more specific classes can be used from SAREF4CITY, to represent events (<ahref="https://saref.etsi.org/saref4city/Event">s4city:Event</a>, a subclass of <ahref="#s4wear:Occurrence">s4wear:Occurrence</a>) that take place at (<ahref="https://saref.etsi.org/saref4city/takesPlaceAtFacility">s4city:takesPlaceAtFacility</a>) facilities (<ahref="https://saref.etsi.org/saref4city/Facility">s4city:Facility</a>, a subclass of geo:Feature).</p>