ing],Option[String]):RDD[RDFTriple]"></a>
      <h4 class="signature">
      <span class="modifier_kind">
        <span class="modifier"></span>
        <span class="kind">def</span>
      </span>
      <span class="symbol">
        <span class="name">find</span><span class="params">(<span name="s">s: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Predef.String">String</span>] = <span class="symbol">None</span></span>, <span name="p">p: <span class="extype" name="sca