// System.out.println(index);
// System.out.println(topics);
// System.out.println(qrels);
TrecRetrieval trecsearch = new TrecRetrieval();
trecsearch.process(index, topics, qrels, appProp
.getProperty("panda.var"),algorithm);
} else if (variance) {
buf = FileReader.openFileReader(appProp.getProperty("panda.etc")
+ fileseparator + "IndexDir.config");