n"><span class="pre">string</span></span><span class="p"><span class="pre">&gt;</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">getSubjectsStr</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N8omexmeta7Triples14getSubjectsStrEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>get all subjects as strings </p>
<p>we do not return the subject itself because subjects canno