Before revision:  In addition, we provide two novel, state-of-the-art signal boundary classifiers (both superior to previous approaches in precision and recall ) and the first signedness classification algorithm , which exhibits >97 \% F-score.
After revision:  In addition, we provide two novel, state-of-the-art signal boundary classifiers-both superior to previous approaches in precision and recall ) and the first signedness classification algorithm , which exhibits >97 \% F-score.