graph.Triple">Triple</span>], <span class="extype" name="org.apache.flink.api.common.functions.FilterFunction">FilterFunction</span>[<span class="extype" name="org.apache.jena.graph.Triple">Triple</span>], <span class="extype" name="org.apache.flink.api.common.functions.AbstractRichFunction">AbstractRichFunction</span>, <span class="extype" name="org.apache.flink.api.common.functions.RichFunction">RichFunction</span>, <span class="extype" name="org.apache.flink.api.common.functions.Function">Function</span>