W06-1661 set was used for development and cross-validation testing , the latter for cross-genre
W07-1214 supervised experiment in a 10-fold cross-validation testing ( Bel et al. 2007 ) . 3.3 Evaluation
W96-0211 combination that performed best in cross-validation testing . Because this method will get
W13-1728 in the closed-training track . Cross-validation testing on the TOEFL11 corpus showed
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