The reason is that text sentiment classification is more complex on the feature selection and only using category distinguishing ability is not enough.
其原因是,文本情感倾向分类问题比文本主题分类问题在特征选择上更复杂,仅仅基于类别区分能力选择特征是不够的。
参考来源 - 基于统计方法的中文文本情感倾向分类研究·2,447,543篇论文数据,部分数据来源于NoteExpress
但是通过分析我们发现,由于仅仅使用文档频率来衡量特征的区分能力,文档频率方法存在两个问题。
However, because the method of DF only USES document frequency to scale the distinguish capacity, we find it has two disadvantages.
对于工艺中所采用的颜色,应考者必须具有辨别和区分能力,只有具有该能力的应考者才能取得认证。
Individuals wishing to attain certification must also be able to adequately distinguish and differentiate colours used in the processes involved;
采用故障特征函数描述模拟电路故障字典法中的模糊集,提出了节点故障隔离度和条件故障隔离度的概念,用其描述节点对故障的区分能力。
Eigenfunction is used to describe ambiguity sets for analog circuit diagnosis. Fault isolation and conditional fault isolation are proposed to identify isolation ability of test node.
While other species," he notes, "may have voice, may have sounds and be able to distinguish pleasure and pain, Logos speech"--logos is his word for it.
他注明,“虽然其它动物也许能发声,也许有音调能区分出愉悦与痛苦,“辩论能力“或他所用的词汇。
应用推荐