boolean stripDigits = params.contains("-stripDigits");
boolean createAncestry = params.contains("-createAncestry");
// start index finder terminology
IndexFinderTerminology terminology = new IndexFinderTerminology();
terminology.addPropertyChangeListener(this);
terminology.setStemWords(stemWords);
terminology.setIgnoreDigits(stripDigits);
// setup persistance directory
String name = null;