... lacking.616(II, IO) and two with out -of- domain seed (OI, OO),examining in- domain self-training (II, OI) and out- of- domain self-training (IO, OO). Note that being in or ‘out’ of domain is ... the in- domain and the parseradaptation scenarios, using only small amounts of manually annotated data. We perform four experi-ments, examining all combinations of in- domain and out -of- domain ... applied co-training (Blum and Mitchell, 1998) and self-training to Collins’ pars-ing model using a small seed dataset (500 sentences for both methods and 1,000 sentences for co-trainingonly)....