Sources for the jars distributed with this package can be obtained as
follows.

  commons-logging.jar:
    <http://commons.apache.org/proper/commons-logging/>

  icu4j_3_4.jar:
    <http://www.ibm.com/software/globalization/icu/downloads.jsp>
      
  iri.jar, jena.jar, xercesImpl.jar:
    <http://jena.sourceforge.net>

  kea-5.0.jar:
    <https://code.google.com/p/kea-algorithm/downloads>
    
  weka.jar:
    <http://www.cs.waikato.ac.nz/~ml/weka/>
