// official TREC 2009 web track runs; otherwise, IF merging approach
// will give slightly different results, so we won't be able to
// replicate results...
//mQueryRunner = new ThreadedQueryRunner(builder, null, 1, 2000);
int hits = Integer.parseInt(XMLTools.getAttributeValue(modelNode, "hits", 2000+""));
mQueryRunner = new ThreadedQueryRunner(builder, null, 1, hits);
// load docno/docid mapping
try {
mDocnoMapping = (DocnoMapping) Class.forName(
mEnv.readDocnoMappingClass()).newInstance();