n.html?is-external=true" title="class or interface in org.apache.lucene.search.similarities"><code>distribution</code></a>: Probabilistic distribution used to
         model term occurrence
         <ul>
             <li><a href="http://lucene.apache.org/core/5_1_0/core/org/apache/lucene/search/similarities/DistributionLL.html?is-external=true" title="class or interface in org.apache.lucene.search.similarities"><code>LL</code></a>: Log-logistic</li>
             <li><a href="http://lucene.apache.org/core/5_