cooccurrenceMatrix = new AtomicGrowingMatrix(); termToIndex = new ConcurrentHashMap<String,Integer>(); termToVector = new ConcurrentHashMap<String,DoubleVector>();
cooccurrenceMatrix = new AtomicGrowingMatrix(); termToIndex = new ConcurrentHashMap<String,Integer>(); termToVector = new ConcurrentHashMap<String,DoubleVector>();