Top negation context features in a multi-corpus model, by chi-square value; and feature rank in domain-specific models.

Feature types are classified as in Section 3.4.Top negation context features in a multi-corpus model, by chi-square value; and feature rank in domain-specific models.特征类型的分类方式详见第3.4节。多语料库模型中按卡方值排序的顶级否定上下文特征，以及领域专用模型中的特征排名。