title: What's the best open-source Java Bayesian spam filter library?
body: <p>In other answers at Stackoverflow it's been suggested that Weka is good, but there are others (<a href="http://classifier4j.sourceforge.net/" rel="noreferrer">Classifier4j</a>, <a href="http://jbnc.sourceforge.net/" rel="noreferrer">jBNC</a>, <a href="http://www.tempeststrings.com/naiban/" rel="noreferrer">Naiban</a>).</p>
  
  <p>Does anyone have actual experience with these?</p>